Home / 1,031,626,233.90-1,423,638,138.92-561,726,429.75

Finding the Fourth Proportional to 1,031,626,233.90, 1,423,638,138.92 and 561,726,429.75

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Solution

The fourth proportional to 1,031,626,233.90, 1,423,638,138.92 and 561,726,429.75 is: 775,179,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,626,233.90 : 1,423,638,138.92 = 561,726,429.75 : x
  2. Step 2: Convert to fraction form
    1,031,626,233.90/1,423,638,138.92 = 561,726,429.75/x
  3. Step 3: Cross multiply
    1,031,626,233.90x = 1,423,638,138.92 × 561,726,429.75
  4. Step 4: Simplify right side
    1,031,626,233.90x = 799,695,169,028,657,408
  5. Step 5: Solve for x
    x = 799,695,169,028,657,408/1,031,626,233.90
  6. Step 6: Final answer
    x = 775,179,171.24

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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.