Home / 898,152,321.60-1,347,228,482.40-509,825,102.40

Finding the Fourth Proportional to 898,152,321.60, 1,347,228,482.40 and 509,825,102.40

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Solution

The fourth proportional to 898,152,321.60, 1,347,228,482.40 and 509,825,102.40 is: 764,737,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,152,321.60 : 1,347,228,482.40 = 509,825,102.40 : x
  2. Step 2: Convert to fraction form
    898,152,321.60/1,347,228,482.40 = 509,825,102.40/x
  3. Step 3: Cross multiply
    898,152,321.60x = 1,347,228,482.40 × 509,825,102.40
  4. Step 4: Simplify right side
    898,152,321.60x = 686,850,898,995,776,640
  5. Step 5: Solve for x
    x = 686,850,898,995,776,640/898,152,321.60
  6. Step 6: Final answer
    x = 764,737,653.60

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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.