Home / 485,064,239.16-727,599,508.02-193,955,818.44

Finding the Fourth Proportional to 485,064,239.16, 727,599,508.02 and 193,955,818.44

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Solution

The fourth proportional to 485,064,239.16, 727,599,508.02 and 193,955,818.44 is: 290,934,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,064,239.16 : 727,599,508.02 = 193,955,818.44 : x
  2. Step 2: Convert to fraction form
    485,064,239.16/727,599,508.02 = 193,955,818.44/x
  3. Step 3: Cross multiply
    485,064,239.16x = 727,599,508.02 × 193,955,818.44
  4. Step 4: Simplify right side
    485,064,239.16x = 141,122,158,074,560,432
  5. Step 5: Solve for x
    x = 141,122,158,074,560,432/485,064,239.16
  6. Step 6: Final answer
    x = 290,934,986.92

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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.