Home / 898,152,683.40-1,347,229,025.10-656,287,979.40

Finding the Fourth Proportional to 898,152,683.40, 1,347,229,025.10 and 656,287,979.40

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Solution

The fourth proportional to 898,152,683.40, 1,347,229,025.10 and 656,287,979.40 is: 984,431,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,152,683.40 : 1,347,229,025.10 = 656,287,979.40 : x
  2. Step 2: Convert to fraction form
    898,152,683.40/1,347,229,025.10 = 656,287,979.40/x
  3. Step 3: Cross multiply
    898,152,683.40x = 1,347,229,025.10 × 656,287,979.40
  4. Step 4: Simplify right side
    898,152,683.40x = 884,170,214,671,910,784
  5. Step 5: Solve for x
    x = 884,170,214,671,910,784/898,152,683.40
  6. Step 6: Final answer
    x = 984,431,969.10

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Double scale
Find fourth proportional to 898,152,684.40, 1,347,229,026.60 and 656,287,980.40
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.