Home / 418,326,707.04-627,566,673.78-172,549,267.08

Finding the Fourth Proportional to 418,326,707.04, 627,566,673.78 and 172,549,267.08

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Solution

The fourth proportional to 418,326,707.04, 627,566,673.78 and 172,549,267.08 is: 258,855,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,326,707.04 : 627,566,673.78 = 172,549,267.08 : x
  2. Step 2: Convert to fraction form
    418,326,707.04/627,566,673.78 = 172,549,267.08/x
  3. Step 3: Cross multiply
    418,326,707.04x = 627,566,673.78 × 172,549,267.08
  4. Step 4: Simplify right side
    418,326,707.04x = 108,286,169,604,572,464
  5. Step 5: Solve for x
    x = 108,286,169,604,572,464/418,326,707.04
  6. Step 6: Final answer
    x = 258,855,501.65

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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.