Home / 8,665,838,542.31-12,989,685,428.92-3,626,582,220.87

Finding the Fourth Proportional to 8,665,838,542.31, 12,989,685,428.92 and 3,626,582,220.87

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Solution

The fourth proportional to 8,665,838,542.31, 12,989,685,428.92 and 3,626,582,220.87 is: 5,436,076,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665,838,542.31 : 12,989,685,428.92 = 3,626,582,220.87 : x
  2. Step 2: Convert to fraction form
    8,665,838,542.31/12,989,685,428.92 = 3,626,582,220.87/x
  3. Step 3: Cross multiply
    8,665,838,542.31x = 12,989,685,428.92 × 3,626,582,220.87
  4. Step 4: Simplify right side
    8,665,838,542.31x = 47,108,162,231,197,237,248
  5. Step 5: Solve for x
    x = 47,108,162,231,197,237,248/8,665,838,542.31
  6. Step 6: Final answer
    x = 5,436,076,612.92

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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.