Home / 531,441,987.60-797,162,981.40-259,344,195.60

Finding the Fourth Proportional to 531,441,987.60, 797,162,981.40 and 259,344,195.60

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Solution

The fourth proportional to 531,441,987.60, 797,162,981.40 and 259,344,195.60 is: 389,016,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,987.60 : 797,162,981.40 = 259,344,195.60 : x
  2. Step 2: Convert to fraction form
    531,441,987.60/797,162,981.40 = 259,344,195.60/x
  3. Step 3: Cross multiply
    531,441,987.60x = 797,162,981.40 × 259,344,195.60
  4. Step 4: Simplify right side
    531,441,987.60x = 206,739,592,173,280,736
  5. Step 5: Solve for x
    x = 206,739,592,173,280,736/531,441,987.60
  6. Step 6: Final answer
    x = 389,016,293.40

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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.