Home / 614,254,129.92-919,918,646.30-392,237,778.50

Finding the Fourth Proportional to 614,254,129.92, 919,918,646.30 and 392,237,778.50

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Solution

The fourth proportional to 614,254,129.92, 919,918,646.30 and 392,237,778.50 is: 587,422,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,254,129.92 : 919,918,646.30 = 392,237,778.50 : x
  2. Step 2: Convert to fraction form
    614,254,129.92/919,918,646.30 = 392,237,778.50/x
  3. Step 3: Cross multiply
    614,254,129.92x = 919,918,646.30 × 392,237,778.50
  4. Step 4: Simplify right side
    614,254,129.92x = 360,826,846,227,937,536
  5. Step 5: Solve for x
    x = 360,826,846,227,937,536/614,254,129.92
  6. Step 6: Final answer
    x = 587,422,743.54

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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.