Home / 3,778,044,342.72-5,215,373,220.76-2,440,586,705.20

Finding the Fourth Proportional to 3,778,044,342.72, 5,215,373,220.76 and 2,440,586,705.20

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Solution

The fourth proportional to 3,778,044,342.72, 5,215,373,220.76 and 2,440,586,705.20 is: 3,369,089,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,044,342.72 : 5,215,373,220.76 = 2,440,586,705.20 : x
  2. Step 2: Convert to fraction form
    3,778,044,342.72/5,215,373,220.76 = 2,440,586,705.20/x
  3. Step 3: Cross multiply
    3,778,044,342.72x = 5,215,373,220.76 × 2,440,586,705.20
  4. Step 4: Simplify right side
    3,778,044,342.72x = 12,728,570,545,242,959,872
  5. Step 5: Solve for x
    x = 12,728,570,545,242,959,872/3,778,044,342.72
  6. Step 6: Final answer
    x = 3,369,089,769.89

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Half scale
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Double scale
Find fourth proportional to 3,778,044,343.72, 5,215,373,222.14 and 2,440,586,706.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.