Home / 20,781,077,285.20-31,168,466,369.60-5,655,825,319.14

Finding the Fourth Proportional to 20,781,077,285.20, 31,168,466,369.60 and 5,655,825,319.14

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Solution

The fourth proportional to 20,781,077,285.20, 31,168,466,369.60 and 5,655,825,319.14 is: 8,482,880,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,781,077,285.20 : 31,168,466,369.60 = 5,655,825,319.14 : x
  2. Step 2: Convert to fraction form
    20,781,077,285.20/31,168,466,369.60 = 5,655,825,319.14/x
  3. Step 3: Cross multiply
    20,781,077,285.20x = 31,168,466,369.60 × 5,655,825,319.14
  4. Step 4: Simplify right side
    20,781,077,285.20x = 176,283,401,251,947,282,432
  5. Step 5: Solve for x
    x = 176,283,401,251,947,282,432/20,781,077,285.20
  6. Step 6: Final answer
    x = 8,482,880,787.78

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1.5x scale

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.