Home / 12,131,927,391.60-18,197,891,087.40-4,771,178,233.20

Finding the Fourth Proportional to 12,131,927,391.60, 18,197,891,087.40 and 4,771,178,233.20

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Solution

The fourth proportional to 12,131,927,391.60, 18,197,891,087.40 and 4,771,178,233.20 is: 7,156,767,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,927,391.60 : 18,197,891,087.40 = 4,771,178,233.20 : x
  2. Step 2: Convert to fraction form
    12,131,927,391.60/18,197,891,087.40 = 4,771,178,233.20/x
  3. Step 3: Cross multiply
    12,131,927,391.60x = 18,197,891,087.40 × 4,771,178,233.20
  4. Step 4: Simplify right side
    12,131,927,391.60x = 86,825,381,846,347,169,792
  5. Step 5: Solve for x
    x = 86,825,381,846,347,169,792/12,131,927,391.60
  6. Step 6: Final answer
    x = 7,156,767,349.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.