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Finding the Fourth Proportional to 964,908,983.04, 1,443,711,064.20 and 571,646,940.48

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Solution

The fourth proportional to 964,908,983.04, 1,443,711,064.20 and 571,646,940.48 is: 855,306,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,908,983.04 : 1,443,711,064.20 = 571,646,940.48 : x
  2. Step 2: Convert to fraction form
    964,908,983.04/1,443,711,064.20 = 571,646,940.48/x
  3. Step 3: Cross multiply
    964,908,983.04x = 1,443,711,064.20 × 571,646,940.48
  4. Step 4: Simplify right side
    964,908,983.04x = 825,293,012,787,054,976
  5. Step 5: Solve for x
    x = 825,293,012,787,054,976/964,908,983.04
  6. Step 6: Final answer
    x = 855,306,590.87

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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.