Home / 1,209,334,761.92-1,668,775,527.13-673,445,932.90

Finding the Fourth Proportional to 1,209,334,761.92, 1,668,775,527.13 and 673,445,932.90

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Solution

The fourth proportional to 1,209,334,761.92, 1,668,775,527.13 and 673,445,932.90 is: 929,296,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,334,761.92 : 1,668,775,527.13 = 673,445,932.90 : x
  2. Step 2: Convert to fraction form
    1,209,334,761.92/1,668,775,527.13 = 673,445,932.90/x
  3. Step 3: Cross multiply
    1,209,334,761.92x = 1,668,775,527.13 × 673,445,932.90
  4. Step 4: Simplify right side
    1,209,334,761.92x = 1,123,830,091,668,752,128
  5. Step 5: Solve for x
    x = 1,123,830,091,668,752,128/1,209,334,761.92
  6. Step 6: Final answer
    x = 929,296,111.43

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Double scale
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1.5x scale

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.