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Finding the Fourth Proportional to 618,847,079.82, 928,169,713.23 and 182,045,609.79

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Solution

The fourth proportional to 618,847,079.82, 928,169,713.23 and 182,045,609.79 is: 273,038,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,847,079.82 : 928,169,713.23 = 182,045,609.79 : x
  2. Step 2: Convert to fraction form
    618,847,079.82/928,169,713.23 = 182,045,609.79/x
  3. Step 3: Cross multiply
    618,847,079.82x = 928,169,713.23 × 182,045,609.79
  4. Step 4: Simplify right side
    618,847,079.82x = 168,969,221,433,564,768
  5. Step 5: Solve for x
    x = 168,969,221,433,564,768/618,847,079.82
  6. Step 6: Final answer
    x = 273,038,731.12

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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.