Home / 563,612,731.75-775,027,468.73-489,144,006.44

Finding the Fourth Proportional to 563,612,731.75, 775,027,468.73 and 489,144,006.44

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Solution

The fourth proportional to 563,612,731.75, 775,027,468.73 and 489,144,006.44 is: 672,625,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,612,731.75 : 775,027,468.73 = 489,144,006.44 : x
  2. Step 2: Convert to fraction form
    563,612,731.75/775,027,468.73 = 489,144,006.44/x
  3. Step 3: Cross multiply
    563,612,731.75x = 775,027,468.73 × 489,144,006.44
  4. Step 4: Simplify right side
    563,612,731.75x = 379,100,041,158,869,504
  5. Step 5: Solve for x
    x = 379,100,041,158,869,504/563,612,731.75
  6. Step 6: Final answer
    x = 672,625,048.73

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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.