Home / 792,087,505.60-1,188,131,258.40-724,007,070.40

Finding the Fourth Proportional to 792,087,505.60, 1,188,131,258.40 and 724,007,070.40

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Solution

The fourth proportional to 792,087,505.60, 1,188,131,258.40 and 724,007,070.40 is: 1,086,010,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,087,505.60 : 1,188,131,258.40 = 724,007,070.40 : x
  2. Step 2: Convert to fraction form
    792,087,505.60/1,188,131,258.40 = 724,007,070.40/x
  3. Step 3: Cross multiply
    792,087,505.60x = 1,188,131,258.40 × 724,007,070.40
  4. Step 4: Simplify right side
    792,087,505.60x = 860,215,431,644,849,408
  5. Step 5: Solve for x
    x = 860,215,431,644,849,408/792,087,505.60
  6. Step 6: Final answer
    x = 1,086,010,605.60

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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.