Home / 329,223,751,613.92-493,859,428,810.72-137,803,271,922.72

Finding the Fourth Proportional to 329,223,751,613.92, 493,859,428,810.72 and 137,803,271,922.72

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Solution

The fourth proportional to 329,223,751,613.92, 493,859,428,810.72 and 137,803,271,922.72 is: 206,714,870,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,223,751,613.92 : 493,859,428,810.72 = 137,803,271,922.72 : x
  2. Step 2: Convert to fraction form
    329,223,751,613.92/493,859,428,810.72 = 137,803,271,922.72/x
  3. Step 3: Cross multiply
    329,223,751,613.92x = 493,859,428,810.72 × 137,803,271,922.72
  4. Step 4: Simplify right side
    329,223,751,613.92x = 68,055,445,160,002,823,651,328
  5. Step 5: Solve for x
    x = 68,055,445,160,002,823,651,328/329,223,751,613.92
  6. Step 6: Final answer
    x = 206,714,870,438.06

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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.