Home / 1,248,049,470.30-1,872,074,205.45-635,829,438.30

Finding the Fourth Proportional to 1,248,049,470.30, 1,872,074,205.45 and 635,829,438.30

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Solution

The fourth proportional to 1,248,049,470.30, 1,872,074,205.45 and 635,829,438.30 is: 953,744,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,049,470.30 : 1,872,074,205.45 = 635,829,438.30 : x
  2. Step 2: Convert to fraction form
    1,248,049,470.30/1,872,074,205.45 = 635,829,438.30/x
  3. Step 3: Cross multiply
    1,248,049,470.30x = 1,872,074,205.45 × 635,829,438.30
  4. Step 4: Simplify right side
    1,248,049,470.30x = 1,190,319,890,507,192,320
  5. Step 5: Solve for x
    x = 1,190,319,890,507,192,320/1,248,049,470.30
  6. Step 6: Final answer
    x = 953,744,157.45

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Half scale
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Double scale
Find fourth proportional to 1,248,049,471.30, 1,872,074,206.95 and 635,829,439.30
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.