Home / 1,241,185,773.60-1,861,778,660.40-550,359,712.80

Finding the Fourth Proportional to 1,241,185,773.60, 1,861,778,660.40 and 550,359,712.80

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Solution

The fourth proportional to 1,241,185,773.60, 1,861,778,660.40 and 550,359,712.80 is: 825,539,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,185,773.60 : 1,861,778,660.40 = 550,359,712.80 : x
  2. Step 2: Convert to fraction form
    1,241,185,773.60/1,861,778,660.40 = 550,359,712.80/x
  3. Step 3: Cross multiply
    1,241,185,773.60x = 1,861,778,660.40 × 550,359,712.80
  4. Step 4: Simplify right side
    1,241,185,773.60x = 1,024,647,968,834,912,640
  5. Step 5: Solve for x
    x = 1,024,647,968,834,912,640/1,241,185,773.60
  6. Step 6: Final answer
    x = 825,539,569.20

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Double scale
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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.