Home / 645,150,981.20-967,726,471.80-463,752,453.20

Finding the Fourth Proportional to 645,150,981.20, 967,726,471.80 and 463,752,453.20

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Solution

The fourth proportional to 645,150,981.20, 967,726,471.80 and 463,752,453.20 is: 695,628,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,150,981.20 : 967,726,471.80 = 463,752,453.20 : x
  2. Step 2: Convert to fraction form
    645,150,981.20/967,726,471.80 = 463,752,453.20/x
  3. Step 3: Cross multiply
    645,150,981.20x = 967,726,471.80 × 463,752,453.20
  4. Step 4: Simplify right side
    645,150,981.20x = 448,785,525,323,830,592
  5. Step 5: Solve for x
    x = 448,785,525,323,830,592/645,150,981.20
  6. Step 6: Final answer
    x = 695,628,679.80

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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.