Home / 406,266,599.52-609,320,547.48-129,843,665.04

Finding the Fourth Proportional to 406,266,599.52, 609,320,547.48 and 129,843,665.04

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Solution

The fourth proportional to 406,266,599.52, 609,320,547.48 and 129,843,665.04 is: 194,740,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,266,599.52 : 609,320,547.48 = 129,843,665.04 : x
  2. Step 2: Convert to fraction form
    406,266,599.52/609,320,547.48 = 129,843,665.04/x
  3. Step 3: Cross multiply
    406,266,599.52x = 609,320,547.48 × 129,843,665.04
  4. Step 4: Simplify right side
    406,266,599.52x = 79,116,413,068,982,544
  5. Step 5: Solve for x
    x = 79,116,413,068,982,544/406,266,599.52
  6. Step 6: Final answer
    x = 194,740,136.56

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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.