Home / 714,713,561.64-986,328,638.01-397,187,190.09

Finding the Fourth Proportional to 714,713,561.64, 986,328,638.01 and 397,187,190.09

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Solution

The fourth proportional to 714,713,561.64, 986,328,638.01 and 397,187,190.09 is: 548,131,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,713,561.64 : 986,328,638.01 = 397,187,190.09 : x
  2. Step 2: Convert to fraction form
    714,713,561.64/986,328,638.01 = 397,187,190.09/x
  3. Step 3: Cross multiply
    714,713,561.64x = 986,328,638.01 × 397,187,190.09
  4. Step 4: Simplify right side
    714,713,561.64x = 391,757,100,236,488,640
  5. Step 5: Solve for x
    x = 391,757,100,236,488,640/714,713,561.64
  6. Step 6: Final answer
    x = 548,131,617.00

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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.