Home / 901,229,472.11-1,243,300,497.85-543,797,880.47

Finding the Fourth Proportional to 901,229,472.11, 1,243,300,497.85 and 543,797,880.47

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Solution

The fourth proportional to 901,229,472.11, 1,243,300,497.85 and 543,797,880.47 is: 750,202,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,229,472.11 : 1,243,300,497.85 = 543,797,880.47 : x
  2. Step 2: Convert to fraction form
    901,229,472.11/1,243,300,497.85 = 543,797,880.47/x
  3. Step 3: Cross multiply
    901,229,472.11x = 1,243,300,497.85 × 543,797,880.47
  4. Step 4: Simplify right side
    901,229,472.11x = 676,104,175,518,125,824
  5. Step 5: Solve for x
    x = 676,104,175,518,125,824/901,229,472.11
  6. Step 6: Final answer
    x = 750,202,025.61

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1.5x scale

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.