Home / 747,112,353.29-1,121,348,585.78-397,651,809.18

Finding the Fourth Proportional to 747,112,353.29, 1,121,348,585.78 and 397,651,809.18

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Solution

The fourth proportional to 747,112,353.29, 1,121,348,585.78 and 397,651,809.18 is: 596,839,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,112,353.29 : 1,121,348,585.78 = 397,651,809.18 : x
  2. Step 2: Convert to fraction form
    747,112,353.29/1,121,348,585.78 = 397,651,809.18/x
  3. Step 3: Cross multiply
    747,112,353.29x = 1,121,348,585.78 × 397,651,809.18
  4. Step 4: Simplify right side
    747,112,353.29x = 445,906,293,856,851,392
  5. Step 5: Solve for x
    x = 445,906,293,856,851,392/747,112,353.29
  6. Step 6: Final answer
    x = 596,839,674.64

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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.