Home / 916,385,586.56-1,264,653,752.56-540,058,057.28

Finding the Fourth Proportional to 916,385,586.56, 1,264,653,752.56 and 540,058,057.28

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Solution

The fourth proportional to 916,385,586.56, 1,264,653,752.56 and 540,058,057.28 is: 745,304,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,385,586.56 : 1,264,653,752.56 = 540,058,057.28 : x
  2. Step 2: Convert to fraction form
    916,385,586.56/1,264,653,752.56 = 540,058,057.28/x
  3. Step 3: Cross multiply
    916,385,586.56x = 1,264,653,752.56 × 540,058,057.28
  4. Step 4: Simplify right side
    916,385,586.56x = 682,986,448,739,415,296
  5. Step 5: Solve for x
    x = 682,986,448,739,415,296/916,385,586.56
  6. Step 6: Final answer
    x = 745,304,660.79

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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.