Home / 1,053,648,003.40-1,580,472,005.10-686,315,984.20

Finding the Fourth Proportional to 1,053,648,003.40, 1,580,472,005.10 and 686,315,984.20

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Solution

The fourth proportional to 1,053,648,003.40, 1,580,472,005.10 and 686,315,984.20 is: 1,029,473,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,648,003.40 : 1,580,472,005.10 = 686,315,984.20 : x
  2. Step 2: Convert to fraction form
    1,053,648,003.40/1,580,472,005.10 = 686,315,984.20/x
  3. Step 3: Cross multiply
    1,053,648,003.40x = 1,580,472,005.10 × 686,315,984.20
  4. Step 4: Simplify right side
    1,053,648,003.40x = 1,084,703,199,680,753,920
  5. Step 5: Solve for x
    x = 1,084,703,199,680,753,920/1,053,648,003.40
  6. Step 6: Final answer
    x = 1,029,473,976.30

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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.