Home / 487,211,150.88-730,859,688.11-137,460,278.88

Finding the Fourth Proportional to 487,211,150.88, 730,859,688.11 and 137,460,278.88

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Solution

The fourth proportional to 487,211,150.88, 730,859,688.11 and 137,460,278.88 is: 206,202,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,211,150.88 : 730,859,688.11 = 137,460,278.88 : x
  2. Step 2: Convert to fraction form
    487,211,150.88/730,859,688.11 = 137,460,278.88/x
  3. Step 3: Cross multiply
    487,211,150.88x = 730,859,688.11 × 137,460,278.88
  4. Step 4: Simplify right side
    487,211,150.88x = 100,464,176,550,094,064
  5. Step 5: Solve for x
    x = 100,464,176,550,094,064/487,211,150.88
  6. Step 6: Final answer
    x = 206,202,539.43

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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.