Home / 945,120,363.60-1,417,680,545.40-815,873,912.40

Finding the Fourth Proportional to 945,120,363.60, 1,417,680,545.40 and 815,873,912.40

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Solution

The fourth proportional to 945,120,363.60, 1,417,680,545.40 and 815,873,912.40 is: 1,223,810,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,120,363.60 : 1,417,680,545.40 = 815,873,912.40 : x
  2. Step 2: Convert to fraction form
    945,120,363.60/1,417,680,545.40 = 815,873,912.40/x
  3. Step 3: Cross multiply
    945,120,363.60x = 1,417,680,545.40 × 815,873,912.40
  4. Step 4: Simplify right side
    945,120,363.60x = 1,156,648,573,108,863,744
  5. Step 5: Solve for x
    x = 1,156,648,573,108,863,744/945,120,363.60
  6. Step 6: Final answer
    x = 1,223,810,868.60

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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.