Home / 1,536,028,465.20-2,119,724,902.55-831,180,453.90

Finding the Fourth Proportional to 1,536,028,465.20, 2,119,724,902.55 and 831,180,453.90

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Solution

The fourth proportional to 1,536,028,465.20, 2,119,724,902.55 and 831,180,453.90 is: 1,147,032,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,028,465.20 : 2,119,724,902.55 = 831,180,453.90 : x
  2. Step 2: Convert to fraction form
    1,536,028,465.20/2,119,724,902.55 = 831,180,453.90/x
  3. Step 3: Cross multiply
    1,536,028,465.20x = 2,119,724,902.55 × 831,180,453.90
  4. Step 4: Simplify right side
    1,536,028,465.20x = 1,761,873,906,644,642,304
  5. Step 5: Solve for x
    x = 1,761,873,906,644,642,304/1,536,028,465.20
  6. Step 6: Final answer
    x = 1,147,032,067.80

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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.