Home / 417,648,530.38-626,083,334.90-141,106,347.65

Finding the Fourth Proportional to 417,648,530.38, 626,083,334.90 and 141,106,347.65

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Solution

The fourth proportional to 417,648,530.38, 626,083,334.90 and 141,106,347.65 is: 211,527,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,648,530.38 : 626,083,334.90 = 141,106,347.65 : x
  2. Step 2: Convert to fraction form
    417,648,530.38/626,083,334.90 = 141,106,347.65/x
  3. Step 3: Cross multiply
    417,648,530.38x = 626,083,334.90 × 141,106,347.65
  4. Step 4: Simplify right side
    417,648,530.38x = 88,344,332,714,188,752
  5. Step 5: Solve for x
    x = 88,344,332,714,188,752/417,648,530.38
  6. Step 6: Final answer
    x = 211,527,938.66

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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.