Home / 8,966,128,836.86-12,372,443,517.03-5,005,101,621.50

Finding the Fourth Proportional to 8,966,128,836.86, 12,372,443,517.03 and 5,005,101,621.50

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Solution

The fourth proportional to 8,966,128,836.86, 12,372,443,517.03 and 5,005,101,621.50 is: 6,906,585,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966,128,836.86 : 12,372,443,517.03 = 5,005,101,621.50 : x
  2. Step 2: Convert to fraction form
    8,966,128,836.86/12,372,443,517.03 = 5,005,101,621.50/x
  3. Step 3: Cross multiply
    8,966,128,836.86x = 12,372,443,517.03 × 5,005,101,621.50
  4. Step 4: Simplify right side
    8,966,128,836.86x = 61,925,337,109,004,017,664
  5. Step 5: Solve for x
    x = 61,925,337,109,004,017,664/8,966,128,836.86
  6. Step 6: Final answer
    x = 6,906,585,688.85

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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.