Home / 3,887,703,140.20-5,831,554,710.30-979,657,988.20

Finding the Fourth Proportional to 3,887,703,140.20, 5,831,554,710.30 and 979,657,988.20

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Solution

The fourth proportional to 3,887,703,140.20, 5,831,554,710.30 and 979,657,988.20 is: 1,469,486,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,703,140.20 : 5,831,554,710.30 = 979,657,988.20 : x
  2. Step 2: Convert to fraction form
    3,887,703,140.20/5,831,554,710.30 = 979,657,988.20/x
  3. Step 3: Cross multiply
    3,887,703,140.20x = 5,831,554,710.30 × 979,657,988.20
  4. Step 4: Simplify right side
    3,887,703,140.20x = 5,712,929,155,570,732,032
  5. Step 5: Solve for x
    x = 5,712,929,155,570,732,032/3,887,703,140.20
  6. Step 6: Final answer
    x = 1,469,486,982.30

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Double scale
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Similar ratio
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1.5x scale

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.