Home / 727,612,486.20-1,004,107,844.88-397,587,625.20

Finding the Fourth Proportional to 727,612,486.20, 1,004,107,844.88 and 397,587,625.20

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Solution

The fourth proportional to 727,612,486.20, 1,004,107,844.88 and 397,587,625.20 is: 548,672,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,612,486.20 : 1,004,107,844.88 = 397,587,625.20 : x
  2. Step 2: Convert to fraction form
    727,612,486.20/1,004,107,844.88 = 397,587,625.20/x
  3. Step 3: Cross multiply
    727,612,486.20x = 1,004,107,844.88 × 397,587,625.20
  4. Step 4: Simplify right side
    727,612,486.20x = 399,220,853,490,529,152
  5. Step 5: Solve for x
    x = 399,220,853,490,529,152/727,612,486.20
  6. Step 6: Final answer
    x = 548,672,351.10

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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.