Home / 542,298,190.72-748,371,985.32-294,779,544.88

Finding the Fourth Proportional to 542,298,190.72, 748,371,985.32 and 294,779,544.88

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Solution

The fourth proportional to 542,298,190.72, 748,371,985.32 and 294,779,544.88 is: 406,796,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,298,190.72 : 748,371,985.32 = 294,779,544.88 : x
  2. Step 2: Convert to fraction form
    542,298,190.72/748,371,985.32 = 294,779,544.88/x
  3. Step 3: Cross multiply
    542,298,190.72x = 748,371,985.32 × 294,779,544.88
  4. Step 4: Simplify right side
    542,298,190.72x = 220,604,753,233,571,648
  5. Step 5: Solve for x
    x = 220,604,753,233,571,648/542,298,190.72
  6. Step 6: Final answer
    x = 406,796,034.01

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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.