Home / 827,169,538.20-1,240,754,307.30-367,154,208.60

Finding the Fourth Proportional to 827,169,538.20, 1,240,754,307.30 and 367,154,208.60

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Solution

The fourth proportional to 827,169,538.20, 1,240,754,307.30 and 367,154,208.60 is: 550,731,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,169,538.20 : 1,240,754,307.30 = 367,154,208.60 : x
  2. Step 2: Convert to fraction form
    827,169,538.20/1,240,754,307.30 = 367,154,208.60/x
  3. Step 3: Cross multiply
    827,169,538.20x = 1,240,754,307.30 × 367,154,208.60
  4. Step 4: Simplify right side
    827,169,538.20x = 455,548,165,763,772,736
  5. Step 5: Solve for x
    x = 455,548,165,763,772,736/827,169,538.20
  6. Step 6: Final answer
    x = 550,731,312.90

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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.