Home / 1,178,384,077.38-1,767,461,344.29-478,918,151.58

Finding the Fourth Proportional to 1,178,384,077.38, 1,767,461,344.29 and 478,918,151.58

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Solution

The fourth proportional to 1,178,384,077.38, 1,767,461,344.29 and 478,918,151.58 is: 718,330,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,384,077.38 : 1,767,461,344.29 = 478,918,151.58 : x
  2. Step 2: Convert to fraction form
    1,178,384,077.38/1,767,461,344.29 = 478,918,151.58/x
  3. Step 3: Cross multiply
    1,178,384,077.38x = 1,767,461,344.29 × 478,918,151.58
  4. Step 4: Simplify right side
    1,178,384,077.38x = 846,469,319,996,468,736
  5. Step 5: Solve for x
    x = 846,469,319,996,468,736/1,178,384,077.38
  6. Step 6: Final answer
    x = 718,330,581.89

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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.