Home / 761,563,198.80-1,142,488,177.92-542,670,524.10

Finding the Fourth Proportional to 761,563,198.80, 1,142,488,177.92 and 542,670,524.10

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Solution

The fourth proportional to 761,563,198.80, 1,142,488,177.92 and 542,670,524.10 is: 814,107,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,563,198.80 : 1,142,488,177.92 = 542,670,524.10 : x
  2. Step 2: Convert to fraction form
    761,563,198.80/1,142,488,177.92 = 542,670,524.10/x
  3. Step 3: Cross multiply
    761,563,198.80x = 1,142,488,177.92 × 542,670,524.10
  4. Step 4: Simplify right side
    761,563,198.80x = 619,994,658,289,900,544
  5. Step 5: Solve for x
    x = 619,994,658,289,900,544/761,563,198.80
  6. Step 6: Final answer
    x = 814,107,954.88

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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.