Home / 838,346,999.56-1,156,891,728.18-481,173,566.20

Finding the Fourth Proportional to 838,346,999.56, 1,156,891,728.18 and 481,173,566.20

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Solution

The fourth proportional to 838,346,999.56, 1,156,891,728.18 and 481,173,566.20 is: 664,003,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,346,999.56 : 1,156,891,728.18 = 481,173,566.20 : x
  2. Step 2: Convert to fraction form
    838,346,999.56/1,156,891,728.18 = 481,173,566.20/x
  3. Step 3: Cross multiply
    838,346,999.56x = 1,156,891,728.18 × 481,173,566.20
  4. Step 4: Simplify right side
    838,346,999.56x = 556,665,718,555,651,648
  5. Step 5: Solve for x
    x = 556,665,718,555,651,648/838,346,999.56
  6. Step 6: Final answer
    x = 664,003,949.26

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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.