Home / 923,526,016.40-1,385,289,024.60-840,217,062.80

Finding the Fourth Proportional to 923,526,016.40, 1,385,289,024.60 and 840,217,062.80

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Solution

The fourth proportional to 923,526,016.40, 1,385,289,024.60 and 840,217,062.80 is: 1,260,325,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,526,016.40 : 1,385,289,024.60 = 840,217,062.80 : x
  2. Step 2: Convert to fraction form
    923,526,016.40/1,385,289,024.60 = 840,217,062.80/x
  3. Step 3: Cross multiply
    923,526,016.40x = 1,385,289,024.60 × 840,217,062.80
  4. Step 4: Simplify right side
    923,526,016.40x = 1,163,943,475,378,488,832
  5. Step 5: Solve for x
    x = 1,163,943,475,378,488,832/923,526,016.40
  6. Step 6: Final answer
    x = 1,260,325,594.20

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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.