Home / 926,708,905.20-1,390,042,103.40-466,523,497.20

Finding the Fourth Proportional to 926,708,905.20, 1,390,042,103.40 and 466,523,497.20

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Solution

The fourth proportional to 926,708,905.20, 1,390,042,103.40 and 466,523,497.20 is: 699,774,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,708,905.20 : 1,390,042,103.40 = 466,523,497.20 : x
  2. Step 2: Convert to fraction form
    926,708,905.20/1,390,042,103.40 = 466,523,497.20/x
  3. Step 3: Cross multiply
    926,708,905.20x = 1,390,042,103.40 × 466,523,497.20
  4. Step 4: Simplify right side
    926,708,905.20x = 648,487,303,333,412,096
  5. Step 5: Solve for x
    x = 648,487,303,333,412,096/926,708,905.20
  6. Step 6: Final answer
    x = 699,774,545.92

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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.