Home / 406,944,318.30-610,416,477.45-391,071,947.10

Finding the Fourth Proportional to 406,944,318.30, 610,416,477.45 and 391,071,947.10

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Solution

The fourth proportional to 406,944,318.30, 610,416,477.45 and 391,071,947.10 is: 586,607,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,944,318.30 : 610,416,477.45 = 391,071,947.10 : x
  2. Step 2: Convert to fraction form
    406,944,318.30/610,416,477.45 = 391,071,947.10/x
  3. Step 3: Cross multiply
    406,944,318.30x = 610,416,477.45 × 391,071,947.10
  4. Step 4: Simplify right side
    406,944,318.30x = 238,716,760,378,294,784
  5. Step 5: Solve for x
    x = 238,716,760,378,294,784/406,944,318.30
  6. Step 6: Final answer
    x = 586,607,920.65

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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.