Home / 406,114,663.68-560,438,248.32-220,475,416.32

Finding the Fourth Proportional to 406,114,663.68, 560,438,248.32 and 220,475,416.32

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Solution

The fourth proportional to 406,114,663.68, 560,438,248.32 and 220,475,416.32 is: 304,256,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,114,663.68 : 560,438,248.32 = 220,475,416.32 : x
  2. Step 2: Convert to fraction form
    406,114,663.68/560,438,248.32 = 220,475,416.32/x
  3. Step 3: Cross multiply
    406,114,663.68x = 560,438,248.32 × 220,475,416.32
  4. Step 4: Simplify right side
    406,114,663.68x = 123,562,856,120,003,552
  5. Step 5: Solve for x
    x = 123,562,856,120,003,552/406,114,663.68
  6. Step 6: Final answer
    x = 304,256,081.28

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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.