Home / 1,264,035,487.28-1,893,982,712.10-673,198,426.64

Finding the Fourth Proportional to 1,264,035,487.28, 1,893,982,712.10 and 673,198,426.64

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Solution

The fourth proportional to 1,264,035,487.28, 1,893,982,712.10 and 673,198,426.64 is: 1,008,694,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,035,487.28 : 1,893,982,712.10 = 673,198,426.64 : x
  2. Step 2: Convert to fraction form
    1,264,035,487.28/1,893,982,712.10 = 673,198,426.64/x
  3. Step 3: Cross multiply
    1,264,035,487.28x = 1,893,982,712.10 × 673,198,426.64
  4. Step 4: Simplify right side
    1,264,035,487.28x = 1,275,026,181,869,080,064
  5. Step 5: Solve for x
    x = 1,275,026,181,869,080,064/1,264,035,487.28
  6. Step 6: Final answer
    x = 1,008,694,925.66

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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.