Home / 1,493,523,521.80-2,240,285,282.70-1,289,282,216.20

Finding the Fourth Proportional to 1,493,523,521.80, 2,240,285,282.70 and 1,289,282,216.20

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Solution

The fourth proportional to 1,493,523,521.80, 2,240,285,282.70 and 1,289,282,216.20 is: 1,933,923,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,523,521.80 : 2,240,285,282.70 = 1,289,282,216.20 : x
  2. Step 2: Convert to fraction form
    1,493,523,521.80/2,240,285,282.70 = 1,289,282,216.20/x
  3. Step 3: Cross multiply
    1,493,523,521.80x = 2,240,285,282.70 × 1,289,282,216.20
  4. Step 4: Simplify right side
    1,493,523,521.80x = 2,888,359,974,199,699,456
  5. Step 5: Solve for x
    x = 2,888,359,974,199,699,456/1,493,523,521.80
  6. Step 6: Final answer
    x = 1,933,923,324.30

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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.