Home / 8,905,807,306.53-12,290,254,085.86-5,239,739,585.23

Finding the Fourth Proportional to 8,905,807,306.53, 12,290,254,085.86 and 5,239,739,585.23

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Solution

The fourth proportional to 8,905,807,306.53, 12,290,254,085.86 and 5,239,739,585.23 is: 7,230,981,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,807,306.53 : 12,290,254,085.86 = 5,239,739,585.23 : x
  2. Step 2: Convert to fraction form
    8,905,807,306.53/12,290,254,085.86 = 5,239,739,585.23/x
  3. Step 3: Cross multiply
    8,905,807,306.53x = 12,290,254,085.86 × 5,239,739,585.23
  4. Step 4: Simplify right side
    8,905,807,306.53x = 64,397,730,846,215,389,184
  5. Step 5: Solve for x
    x = 64,397,730,846,215,389,184/8,905,807,306.53
  6. Step 6: Final answer
    x = 7,230,981,833.51

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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.