Home / 898,154,229.60-1,347,231,344.40-509,827,010.40

Finding the Fourth Proportional to 898,154,229.60, 1,347,231,344.40 and 509,827,010.40

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Solution

The fourth proportional to 898,154,229.60, 1,347,231,344.40 and 509,827,010.40 is: 764,740,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,154,229.60 : 1,347,231,344.40 = 509,827,010.40 : x
  2. Step 2: Convert to fraction form
    898,154,229.60/1,347,231,344.40 = 509,827,010.40/x
  3. Step 3: Cross multiply
    898,154,229.60x = 1,347,231,344.40 × 509,827,010.40
  4. Step 4: Simplify right side
    898,154,229.60x = 686,854,928,632,624,768
  5. Step 5: Solve for x
    x = 686,854,928,632,624,768/898,154,229.60
  6. Step 6: Final answer
    x = 764,740,515.60

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Double scale
Find fourth proportional to 898,154,230.60, 1,347,231,345.90 and 509,827,011.40
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.