Home / 1,248,552,469.90-1,872,268,947.90-744,006,738.74

Finding the Fourth Proportional to 1,248,552,469.90, 1,872,268,947.90 and 744,006,738.74

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Solution

The fourth proportional to 1,248,552,469.90, 1,872,268,947.90 and 744,006,738.74 is: 1,115,676,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,552,469.90 : 1,872,268,947.90 = 744,006,738.74 : x
  2. Step 2: Convert to fraction form
    1,248,552,469.90/1,872,268,947.90 = 744,006,738.74/x
  3. Step 3: Cross multiply
    1,248,552,469.90x = 1,872,268,947.90 × 744,006,738.74
  4. Step 4: Simplify right side
    1,248,552,469.90x = 1,392,980,713,975,930,624
  5. Step 5: Solve for x
    x = 1,392,980,713,975,930,624/1,248,552,469.90
  6. Step 6: Final answer
    x = 1,115,676,551.50

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Half scale
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Double scale
Find fourth proportional to 1,248,552,470.90, 1,872,268,949.40 and 744,006,739.74
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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.