Home / 1,125,053,031.24-1,552,425,949.20-648,760,991.88

Finding the Fourth Proportional to 1,125,053,031.24, 1,552,425,949.20 and 648,760,991.88

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Solution

The fourth proportional to 1,125,053,031.24, 1,552,425,949.20 and 648,760,991.88 is: 895,205,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,053,031.24 : 1,552,425,949.20 = 648,760,991.88 : x
  2. Step 2: Convert to fraction form
    1,125,053,031.24/1,552,425,949.20 = 648,760,991.88/x
  3. Step 3: Cross multiply
    1,125,053,031.24x = 1,552,425,949.20 × 648,760,991.88
  4. Step 4: Simplify right side
    1,125,053,031.24x = 1,007,153,398,623,242,496
  5. Step 5: Solve for x
    x = 1,007,153,398,623,242,496/1,125,053,031.24
  6. Step 6: Final answer
    x = 895,205,266.47

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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.