Home / 2,068,488,042.40-3,102,732,063.60-1,294,520,989.60

Finding the Fourth Proportional to 2,068,488,042.40, 3,102,732,063.60 and 1,294,520,989.60

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Solution

The fourth proportional to 2,068,488,042.40, 3,102,732,063.60 and 1,294,520,989.60 is: 1,941,781,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,488,042.40 : 3,102,732,063.60 = 1,294,520,989.60 : x
  2. Step 2: Convert to fraction form
    2,068,488,042.40/3,102,732,063.60 = 1,294,520,989.60/x
  3. Step 3: Cross multiply
    2,068,488,042.40x = 3,102,732,063.60 × 1,294,520,989.60
  4. Step 4: Simplify right side
    2,068,488,042.40x = 4,016,551,781,435,121,664
  5. Step 5: Solve for x
    x = 4,016,551,781,435,121,664/2,068,488,042.40
  6. Step 6: Final answer
    x = 1,941,781,484.40

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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.