Home / 747,311,024.90-1,120,966,537.35-489,322,007.30

Finding the Fourth Proportional to 747,311,024.90, 1,120,966,537.35 and 489,322,007.30

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Solution

The fourth proportional to 747,311,024.90, 1,120,966,537.35 and 489,322,007.30 is: 733,983,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,311,024.90 : 1,120,966,537.35 = 489,322,007.30 : x
  2. Step 2: Convert to fraction form
    747,311,024.90/1,120,966,537.35 = 489,322,007.30/x
  3. Step 3: Cross multiply
    747,311,024.90x = 1,120,966,537.35 × 489,322,007.30
  4. Step 4: Simplify right side
    747,311,024.90x = 548,513,596,172,232,384
  5. Step 5: Solve for x
    x = 548,513,596,172,232,384/747,311,024.90
  6. Step 6: Final answer
    x = 733,983,010.95

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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.