Home / 452,682,632.10-679,023,948.15-425,898,005.70

Finding the Fourth Proportional to 452,682,632.10, 679,023,948.15 and 425,898,005.70

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Solution

The fourth proportional to 452,682,632.10, 679,023,948.15 and 425,898,005.70 is: 638,847,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,682,632.10 : 679,023,948.15 = 425,898,005.70 : x
  2. Step 2: Convert to fraction form
    452,682,632.10/679,023,948.15 = 425,898,005.70/x
  3. Step 3: Cross multiply
    452,682,632.10x = 679,023,948.15 × 425,898,005.70
  4. Step 4: Simplify right side
    452,682,632.10x = 289,194,945,339,625,216
  5. Step 5: Solve for x
    x = 289,194,945,339,625,216/452,682,632.10
  6. Step 6: Final answer
    x = 638,847,008.55

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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.