Home / 610,083,234.12-842,320,268.10-468,702,655.56

Finding the Fourth Proportional to 610,083,234.12, 842,320,268.10 and 468,702,655.56

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Solution

The fourth proportional to 610,083,234.12, 842,320,268.10 and 468,702,655.56 is: 647,121,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,083,234.12 : 842,320,268.10 = 468,702,655.56 : x
  2. Step 2: Convert to fraction form
    610,083,234.12/842,320,268.10 = 468,702,655.56/x
  3. Step 3: Cross multiply
    610,083,234.12x = 842,320,268.10 × 468,702,655.56
  4. Step 4: Simplify right side
    610,083,234.12x = 394,797,746,490,481,152
  5. Step 5: Solve for x
    x = 394,797,746,490,481,152/610,083,234.12
  6. Step 6: Final answer
    x = 647,121,121.20

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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.