Home / 898,152,218.10-1,347,228,327.15-509,824,998.90

Finding the Fourth Proportional to 898,152,218.10, 1,347,228,327.15 and 509,824,998.90

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Solution

The fourth proportional to 898,152,218.10, 1,347,228,327.15 and 509,824,998.90 is: 764,737,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,152,218.10 : 1,347,228,327.15 = 509,824,998.90 : x
  2. Step 2: Convert to fraction form
    898,152,218.10/1,347,228,327.15 = 509,824,998.90/x
  3. Step 3: Cross multiply
    898,152,218.10x = 1,347,228,327.15 × 509,824,998.90
  4. Step 4: Simplify right side
    898,152,218.10x = 686,850,680,407,297,664
  5. Step 5: Solve for x
    x = 686,850,680,407,297,664/898,152,218.10
  6. Step 6: Final answer
    x = 764,737,498.35

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Double scale
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Similar ratio
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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.