Home / 649,539,534.60-974,309,301.90-636,625,518.30

Finding the Fourth Proportional to 649,539,534.60, 974,309,301.90 and 636,625,518.30

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Solution

The fourth proportional to 649,539,534.60, 974,309,301.90 and 636,625,518.30 is: 954,938,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,539,534.60 : 974,309,301.90 = 636,625,518.30 : x
  2. Step 2: Convert to fraction form
    649,539,534.60/974,309,301.90 = 636,625,518.30/x
  3. Step 3: Cross multiply
    649,539,534.60x = 974,309,301.90 × 636,625,518.30
  4. Step 4: Simplify right side
    649,539,534.60x = 620,270,164,306,598,656
  5. Step 5: Solve for x
    x = 620,270,164,306,598,656/649,539,534.60
  6. Step 6: Final answer
    x = 954,938,277.45

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Double scale
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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.