Home / 524,902,824.80-724,351,864.08-289,948,428.56

Finding the Fourth Proportional to 524,902,824.80, 724,351,864.08 and 289,948,428.56

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Solution

The fourth proportional to 524,902,824.80, 724,351,864.08 and 289,948,428.56 is: 400,121,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,902,824.80 : 724,351,864.08 = 289,948,428.56 : x
  2. Step 2: Convert to fraction form
    524,902,824.80/724,351,864.08 = 289,948,428.56/x
  3. Step 3: Cross multiply
    524,902,824.80x = 724,351,864.08 × 289,948,428.56
  4. Step 4: Simplify right side
    524,902,824.80x = 210,024,684,714,502,720
  5. Step 5: Solve for x
    x = 210,024,684,714,502,720/524,902,824.80
  6. Step 6: Final answer
    x = 400,121,079.16

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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.