Home / 598,644,488.05-820,129,248.32-576,262,481.28

Finding the Fourth Proportional to 598,644,488.05, 820,129,248.32 and 576,262,481.28

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Solution

The fourth proportional to 598,644,488.05, 820,129,248.32 and 576,262,481.28 is: 789,466,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,644,488.05 : 820,129,248.32 = 576,262,481.28 : x
  2. Step 2: Convert to fraction form
    598,644,488.05/820,129,248.32 = 576,262,481.28/x
  3. Step 3: Cross multiply
    598,644,488.05x = 820,129,248.32 × 576,262,481.28
  4. Step 4: Simplify right side
    598,644,488.05x = 472,609,715,600,202,496
  5. Step 5: Solve for x
    x = 472,609,715,600,202,496/598,644,488.05
  6. Step 6: Final answer
    x = 789,466,411.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.