Home / 1,022,169,274.14-1,411,757,165.52-687,060,003.72

Finding the Fourth Proportional to 1,022,169,274.14, 1,411,757,165.52 and 687,060,003.72

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Solution

The fourth proportional to 1,022,169,274.14, 1,411,757,165.52 and 687,060,003.72 is: 948,924,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,169,274.14 : 1,411,757,165.52 = 687,060,003.72 : x
  2. Step 2: Convert to fraction form
    1,022,169,274.14/1,411,757,165.52 = 687,060,003.72/x
  3. Step 3: Cross multiply
    1,022,169,274.14x = 1,411,757,165.52 × 687,060,003.72
  4. Step 4: Simplify right side
    1,022,169,274.14x = 969,961,883,393,907,840
  5. Step 5: Solve for x
    x = 969,961,883,393,907,840/1,022,169,274.14
  6. Step 6: Final answer
    x = 948,924,906.99

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Double scale
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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.