Home / 578,155,957.94-867,131,423.12-262,948,155.45

Finding the Fourth Proportional to 578,155,957.94, 867,131,423.12 and 262,948,155.45

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Solution

The fourth proportional to 578,155,957.94, 867,131,423.12 and 262,948,155.45 is: 394,375,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,155,957.94 : 867,131,423.12 = 262,948,155.45 : x
  2. Step 2: Convert to fraction form
    578,155,957.94/867,131,423.12 = 262,948,155.45/x
  3. Step 3: Cross multiply
    578,155,957.94x = 867,131,423.12 × 262,948,155.45
  4. Step 4: Simplify right side
    578,155,957.94x = 228,010,608,240,822,720
  5. Step 5: Solve for x
    x = 228,010,608,240,822,720/578,155,957.94
  6. Step 6: Final answer
    x = 394,375,609.40

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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.