Home / 898,150,985.40-1,347,226,478.10-656,286,281.40

Finding the Fourth Proportional to 898,150,985.40, 1,347,226,478.10 and 656,286,281.40

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Solution

The fourth proportional to 898,150,985.40, 1,347,226,478.10 and 656,286,281.40 is: 984,429,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,150,985.40 : 1,347,226,478.10 = 656,286,281.40 : x
  2. Step 2: Convert to fraction form
    898,150,985.40/1,347,226,478.10 = 656,286,281.40/x
  3. Step 3: Cross multiply
    898,150,985.40x = 1,347,226,478.10 × 656,286,281.40
  4. Step 4: Simplify right side
    898,150,985.40x = 884,166,255,515,867,392
  5. Step 5: Solve for x
    x = 884,166,255,515,867,392/898,150,985.40
  6. Step 6: Final answer
    x = 984,429,422.10

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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.