Home / 1,248,264,004.80-1,872,396,007.20-636,043,972.80

Finding the Fourth Proportional to 1,248,264,004.80, 1,872,396,007.20 and 636,043,972.80

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Solution

The fourth proportional to 1,248,264,004.80, 1,872,396,007.20 and 636,043,972.80 is: 954,065,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,264,004.80 : 1,872,396,007.20 = 636,043,972.80 : x
  2. Step 2: Convert to fraction form
    1,248,264,004.80/1,872,396,007.20 = 636,043,972.80/x
  3. Step 3: Cross multiply
    1,248,264,004.80x = 1,872,396,007.20 × 636,043,972.80
  4. Step 4: Simplify right side
    1,248,264,004.80x = 1,190,926,195,074,345,472
  5. Step 5: Solve for x
    x = 1,190,926,195,074,345,472/1,248,264,004.80
  6. Step 6: Final answer
    x = 954,065,959.20

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Double scale
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Similar ratio
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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.