Home / 378,478,534.57-567,714,017.08-119,693,798.89

Finding the Fourth Proportional to 378,478,534.57, 567,714,017.08 and 119,693,798.89

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Solution

The fourth proportional to 378,478,534.57, 567,714,017.08 and 119,693,798.89 is: 179,539,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,478,534.57 : 567,714,017.08 = 119,693,798.89 : x
  2. Step 2: Convert to fraction form
    378,478,534.57/567,714,017.08 = 119,693,798.89/x
  3. Step 3: Cross multiply
    378,478,534.57x = 567,714,017.08 × 119,693,798.89
  4. Step 4: Simplify right side
    378,478,534.57x = 67,951,847,387,407,552
  5. Step 5: Solve for x
    x = 67,951,847,387,407,552/378,478,534.57
  6. Step 6: Final answer
    x = 179,539,501.40

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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.