Home / 531,925,946.40-797,888,919.60-519,982,010.40

Finding the Fourth Proportional to 531,925,946.40, 797,888,919.60 and 519,982,010.40

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Solution

The fourth proportional to 531,925,946.40, 797,888,919.60 and 519,982,010.40 is: 779,973,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,925,946.40 : 797,888,919.60 = 519,982,010.40 : x
  2. Step 2: Convert to fraction form
    531,925,946.40/797,888,919.60 = 519,982,010.40/x
  3. Step 3: Cross multiply
    531,925,946.40x = 797,888,919.60 × 519,982,010.40
  4. Step 4: Simplify right side
    531,925,946.40x = 414,887,884,489,491,968
  5. Step 5: Solve for x
    x = 414,887,884,489,491,968/531,925,946.40
  6. Step 6: Final answer
    x = 779,973,015.60

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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.