Home / 47,949,750,831.92-66,166,129,760.40-28,655,369,515.85

Finding the Fourth Proportional to 47,949,750,831.92, 66,166,129,760.40 and 28,655,369,515.85

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Solution

The fourth proportional to 47,949,750,831.92, 66,166,129,760.40 and 28,655,369,515.85 is: 39,541,704,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949,750,831.92 : 66,166,129,760.40 = 28,655,369,515.85 : x
  2. Step 2: Convert to fraction form
    47,949,750,831.92/66,166,129,760.40 = 28,655,369,515.85/x
  3. Step 3: Cross multiply
    47,949,750,831.92x = 66,166,129,760.40 × 28,655,369,515.85
  4. Step 4: Simplify right side
    47,949,750,831.92x = 1,896,014,897,717,610,807,296
  5. Step 5: Solve for x
    x = 1,896,014,897,717,610,807,296/47,949,750,831.92
  6. Step 6: Final answer
    x = 39,541,704,906.12

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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.