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Finding the Fourth Proportional to 620,807,686.54, 930,444,732.30 and 532,750,237.89

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Solution

The fourth proportional to 620,807,686.54, 930,444,732.30 and 532,750,237.89 is: 798,467,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,807,686.54 : 930,444,732.30 = 532,750,237.89 : x
  2. Step 2: Convert to fraction form
    620,807,686.54/930,444,732.30 = 532,750,237.89/x
  3. Step 3: Cross multiply
    620,807,686.54x = 930,444,732.30 × 532,750,237.89
  4. Step 4: Simplify right side
    620,807,686.54x = 495,694,652,480,418,368
  5. Step 5: Solve for x
    x = 495,694,652,480,418,368/620,807,686.54
  6. Step 6: Final answer
    x = 798,467,324.47

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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.