Home / 629,860,565.60-944,790,848.40-266,354,921.60

Finding the Fourth Proportional to 629,860,565.60, 944,790,848.40 and 266,354,921.60

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Solution

The fourth proportional to 629,860,565.60, 944,790,848.40 and 266,354,921.60 is: 399,532,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,860,565.60 : 944,790,848.40 = 266,354,921.60 : x
  2. Step 2: Convert to fraction form
    629,860,565.60/944,790,848.40 = 266,354,921.60/x
  3. Step 3: Cross multiply
    629,860,565.60x = 944,790,848.40 × 266,354,921.60
  4. Step 4: Simplify right side
    629,860,565.60x = 251,649,692,353,979,488
  5. Step 5: Solve for x
    x = 251,649,692,353,979,488/629,860,565.60
  6. Step 6: Final answer
    x = 399,532,382.40

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Double scale
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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.