Home / 886,469,787.60-1,329,704,681.40-519,137,768.40

Finding the Fourth Proportional to 886,469,787.60, 1,329,704,681.40 and 519,137,768.40

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Solution

The fourth proportional to 886,469,787.60, 1,329,704,681.40 and 519,137,768.40 is: 778,706,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,469,787.60 : 1,329,704,681.40 = 519,137,768.40 : x
  2. Step 2: Convert to fraction form
    886,469,787.60/1,329,704,681.40 = 519,137,768.40/x
  3. Step 3: Cross multiply
    886,469,787.60x = 1,329,704,681.40 × 519,137,768.40
  4. Step 4: Simplify right side
    886,469,787.60x = 690,299,920,933,028,992
  5. Step 5: Solve for x
    x = 690,299,920,933,028,992/886,469,787.60
  6. Step 6: Final answer
    x = 778,706,652.60

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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.