Home / 1,248,049,474.30-1,872,074,211.45-635,829,442.30

Finding the Fourth Proportional to 1,248,049,474.30, 1,872,074,211.45 and 635,829,442.30

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Solution

The fourth proportional to 1,248,049,474.30, 1,872,074,211.45 and 635,829,442.30 is: 953,744,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,049,474.30 : 1,872,074,211.45 = 635,829,442.30 : x
  2. Step 2: Convert to fraction form
    1,248,049,474.30/1,872,074,211.45 = 635,829,442.30/x
  3. Step 3: Cross multiply
    1,248,049,474.30x = 1,872,074,211.45 × 635,829,442.30
  4. Step 4: Simplify right side
    1,248,049,474.30x = 1,190,319,901,810,465,792
  5. Step 5: Solve for x
    x = 1,190,319,901,810,465,792/1,248,049,474.30
  6. Step 6: Final answer
    x = 953,744,163.45

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Half scale
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Double scale
Find fourth proportional to 1,248,049,475.30, 1,872,074,212.95 and 635,829,443.30
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.