Home / 827,169,469.20-1,240,754,203.80-367,154,139.60

Finding the Fourth Proportional to 827,169,469.20, 1,240,754,203.80 and 367,154,139.60

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Solution

The fourth proportional to 827,169,469.20, 1,240,754,203.80 and 367,154,139.60 is: 550,731,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,169,469.20 : 1,240,754,203.80 = 367,154,139.60 : x
  2. Step 2: Convert to fraction form
    827,169,469.20/1,240,754,203.80 = 367,154,139.60/x
  3. Step 3: Cross multiply
    827,169,469.20x = 1,240,754,203.80 × 367,154,139.60
  4. Step 4: Simplify right side
    827,169,469.20x = 455,548,042,151,272,064
  5. Step 5: Solve for x
    x = 455,548,042,151,272,064/827,169,469.20
  6. Step 6: Final answer
    x = 550,731,209.40

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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.