Home / 12,065,657,359-16,652,912,432.85-7,989,369,345.22

Finding the Fourth Proportional to 12,065,657,359, 16,652,912,432.85 and 7,989,369,345.22

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Solution

The fourth proportional to 12,065,657,359, 16,652,912,432.85 and 7,989,369,345.22 is: 11,026,856,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065,657,359 : 16,652,912,432.85 = 7,989,369,345.22 : x
  2. Step 2: Convert to fraction form
    12,065,657,359/16,652,912,432.85 = 7,989,369,345.22/x
  3. Step 3: Cross multiply
    12,065,657,359x = 16,652,912,432.85 × 7,989,369,345.22
  4. Step 4: Simplify right side
    12,065,657,359x = 133,046,268,099,644,801,024
  5. Step 5: Solve for x
    x = 133,046,268,099,644,801,024/12,065,657,359
  6. Step 6: Final answer
    x = 11,026,856,153.88

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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.