Home / 551,613,070.59-761,090,701.14-363,420,495.87

Finding the Fourth Proportional to 551,613,070.59, 761,090,701.14 and 363,420,495.87

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Solution

The fourth proportional to 551,613,070.59, 761,090,701.14 and 363,420,495.87 is: 501,431,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,613,070.59 : 761,090,701.14 = 363,420,495.87 : x
  2. Step 2: Convert to fraction form
    551,613,070.59/761,090,701.14 = 363,420,495.87/x
  3. Step 3: Cross multiply
    551,613,070.59x = 761,090,701.14 × 363,420,495.87
  4. Step 4: Simplify right side
    551,613,070.59x = 276,595,960,010,344,768
  5. Step 5: Solve for x
    x = 276,595,960,010,344,768/551,613,070.59
  6. Step 6: Final answer
    x = 501,431,120.39

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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.