Home / 847,221,545.82-1,168,948,598.94-494,594,905.44

Finding the Fourth Proportional to 847,221,545.82, 1,168,948,598.94 and 494,594,905.44

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Solution

The fourth proportional to 847,221,545.82, 1,168,948,598.94 and 494,594,905.44 is: 682,414,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,221,545.82 : 1,168,948,598.94 = 494,594,905.44 : x
  2. Step 2: Convert to fraction form
    847,221,545.82/1,168,948,598.94 = 494,594,905.44/x
  3. Step 3: Cross multiply
    847,221,545.82x = 1,168,948,598.94 × 494,594,905.44
  4. Step 4: Simplify right side
    847,221,545.82x = 578,156,021,756,949,760
  5. Step 5: Solve for x
    x = 578,156,021,756,949,760/847,221,545.82
  6. Step 6: Final answer
    x = 682,414,209.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.