Home / 728,276,510.30-1,092,414,765.45-506,346,748.70

Finding the Fourth Proportional to 728,276,510.30, 1,092,414,765.45 and 506,346,748.70

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Solution

The fourth proportional to 728,276,510.30, 1,092,414,765.45 and 506,346,748.70 is: 759,520,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,276,510.30 : 1,092,414,765.45 = 506,346,748.70 : x
  2. Step 2: Convert to fraction form
    728,276,510.30/1,092,414,765.45 = 506,346,748.70/x
  3. Step 3: Cross multiply
    728,276,510.30x = 1,092,414,765.45 × 506,346,748.70
  4. Step 4: Simplify right side
    728,276,510.30x = 553,140,664,717,480,576
  5. Step 5: Solve for x
    x = 553,140,664,717,480,576/728,276,510.30
  6. Step 6: Final answer
    x = 759,520,123.05

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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.