Home / 542,298,147.30-748,371,925.50-294,779,501.55

Finding the Fourth Proportional to 542,298,147.30, 748,371,925.50 and 294,779,501.55

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Solution

The fourth proportional to 542,298,147.30, 748,371,925.50 and 294,779,501.55 is: 406,795,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,298,147.30 : 748,371,925.50 = 294,779,501.55 : x
  2. Step 2: Convert to fraction form
    542,298,147.30/748,371,925.50 = 294,779,501.55/x
  3. Step 3: Cross multiply
    542,298,147.30x = 748,371,925.50 × 294,779,501.55
  4. Step 4: Simplify right side
    542,298,147.30x = 220,604,703,172,903,744
  5. Step 5: Solve for x
    x = 220,604,703,172,903,744/542,298,147.30
  6. Step 6: Final answer
    x = 406,795,974.26

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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.