Home / 15,607,499,591.38-21,534,657,901.32-8,833,318,168.30

Finding the Fourth Proportional to 15,607,499,591.38, 21,534,657,901.32 and 8,833,318,168.30

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Solution

The fourth proportional to 15,607,499,591.38, 21,534,657,901.32 and 8,833,318,168.30 is: 12,187,889,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607,499,591.38 : 21,534,657,901.32 = 8,833,318,168.30 : x
  2. Step 2: Convert to fraction form
    15,607,499,591.38/21,534,657,901.32 = 8,833,318,168.30/x
  3. Step 3: Cross multiply
    15,607,499,591.38x = 21,534,657,901.32 × 8,833,318,168.30
  4. Step 4: Simplify right side
    15,607,499,591.38x = 190,222,484,887,855,071,232
  5. Step 5: Solve for x
    x = 190,222,484,887,855,071,232/15,607,499,591.38
  6. Step 6: Final answer
    x = 12,187,889,788.12

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1.5x scale

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.