Home / 927,040,793.60-1,390,561,190.40-912,708,070.40

Finding the Fourth Proportional to 927,040,793.60, 1,390,561,190.40 and 912,708,070.40

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Solution

The fourth proportional to 927,040,793.60, 1,390,561,190.40 and 912,708,070.40 is: 1,369,062,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,040,793.60 : 1,390,561,190.40 = 912,708,070.40 : x
  2. Step 2: Convert to fraction form
    927,040,793.60/1,390,561,190.40 = 912,708,070.40/x
  3. Step 3: Cross multiply
    927,040,793.60x = 1,390,561,190.40 × 912,708,070.40
  4. Step 4: Simplify right side
    927,040,793.60x = 1,269,176,420,863,111,168
  5. Step 5: Solve for x
    x = 1,269,176,420,863,111,168/927,040,793.60
  6. Step 6: Final answer
    x = 1,369,062,105.60

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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.