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Finding the Fourth Proportional to 880,260,017.80, 1,320,390,026.70 and 792,584,062.60

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Solution

The fourth proportional to 880,260,017.80, 1,320,390,026.70 and 792,584,062.60 is: 1,188,876,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,260,017.80 : 1,320,390,026.70 = 792,584,062.60 : x
  2. Step 2: Convert to fraction form
    880,260,017.80/1,320,390,026.70 = 792,584,062.60/x
  3. Step 3: Cross multiply
    880,260,017.80x = 1,320,390,026.70 × 792,584,062.60
  4. Step 4: Simplify right side
    880,260,017.80x = 1,046,520,091,578,408,576
  5. Step 5: Solve for x
    x = 1,046,520,091,578,408,576/880,260,017.80
  6. Step 6: Final answer
    x = 1,188,876,093.90

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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.