Home / 407,320,341.80-610,980,512.70-148,544,004.20

Finding the Fourth Proportional to 407,320,341.80, 610,980,512.70 and 148,544,004.20

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Solution

The fourth proportional to 407,320,341.80, 610,980,512.70 and 148,544,004.20 is: 222,816,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,320,341.80 : 610,980,512.70 = 148,544,004.20 : x
  2. Step 2: Convert to fraction form
    407,320,341.80/610,980,512.70 = 148,544,004.20/x
  3. Step 3: Cross multiply
    407,320,341.80x = 610,980,512.70 × 148,544,004.20
  4. Step 4: Simplify right side
    407,320,341.80x = 90,757,491,844,626,960
  5. Step 5: Solve for x
    x = 90,757,491,844,626,960/407,320,341.80
  6. Step 6: Final answer
    x = 222,816,006.30

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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.