Home / 418,326,451.31-627,566,290.45-172,549,011.80

Finding the Fourth Proportional to 418,326,451.31, 627,566,290.45 and 172,549,011.80

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Solution

The fourth proportional to 418,326,451.31, 627,566,290.45 and 172,549,011.80 is: 258,855,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,326,451.31 : 627,566,290.45 = 172,549,011.80 : x
  2. Step 2: Convert to fraction form
    418,326,451.31/627,566,290.45 = 172,549,011.80/x
  3. Step 3: Cross multiply
    418,326,451.31x = 627,566,290.45 × 172,549,011.80
  4. Step 4: Simplify right side
    418,326,451.31x = 108,285,943,253,298,768
  5. Step 5: Solve for x
    x = 108,285,943,253,298,768/418,326,451.31
  6. Step 6: Final answer
    x = 258,855,118.80

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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.