Home / 453,313,892.80-679,970,839.20-146,637,006.40

Finding the Fourth Proportional to 453,313,892.80, 679,970,839.20 and 146,637,006.40

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Solution

The fourth proportional to 453,313,892.80, 679,970,839.20 and 146,637,006.40 is: 219,955,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,313,892.80 : 679,970,839.20 = 146,637,006.40 : x
  2. Step 2: Convert to fraction form
    453,313,892.80/679,970,839.20 = 146,637,006.40/x
  3. Step 3: Cross multiply
    453,313,892.80x = 679,970,839.20 × 146,637,006.40
  4. Step 4: Simplify right side
    453,313,892.80x = 99,708,888,299,583,776
  5. Step 5: Solve for x
    x = 99,708,888,299,583,776/453,313,892.80
  6. Step 6: Final answer
    x = 219,955,509.60

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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.