Home / 472,118,639.90-708,177,959.85-268,045,295.90

Finding the Fourth Proportional to 472,118,639.90, 708,177,959.85 and 268,045,295.90

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Solution

The fourth proportional to 472,118,639.90, 708,177,959.85 and 268,045,295.90 is: 402,067,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,118,639.90 : 708,177,959.85 = 268,045,295.90 : x
  2. Step 2: Convert to fraction form
    472,118,639.90/708,177,959.85 = 268,045,295.90/x
  3. Step 3: Cross multiply
    472,118,639.90x = 708,177,959.85 × 268,045,295.90
  4. Step 4: Simplify right side
    472,118,639.90x = 189,823,770,797,851,584
  5. Step 5: Solve for x
    x = 189,823,770,797,851,584/472,118,639.90
  6. Step 6: Final answer
    x = 402,067,943.85

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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.