Home / 5,114,998,136.72-7,058,697,342.36-2,768,154,680.72

Finding the Fourth Proportional to 5,114,998,136.72, 7,058,697,342.36 and 2,768,154,680.72

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Solution

The fourth proportional to 5,114,998,136.72, 7,058,697,342.36 and 2,768,154,680.72 is: 3,820,053,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114,998,136.72 : 7,058,697,342.36 = 2,768,154,680.72 : x
  2. Step 2: Convert to fraction form
    5,114,998,136.72/7,058,697,342.36 = 2,768,154,680.72/x
  3. Step 3: Cross multiply
    5,114,998,136.72x = 7,058,697,342.36 × 2,768,154,680.72
  4. Step 4: Simplify right side
    5,114,998,136.72x = 19,539,566,088,039,657,472
  5. Step 5: Solve for x
    x = 19,539,566,088,039,657,472/5,114,998,136.72
  6. Step 6: Final answer
    x = 3,820,053,412.68

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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.