Home / 1,987,072,246.80-2,980,608,370.20-694,472,950.80

Finding the Fourth Proportional to 1,987,072,246.80, 2,980,608,370.20 and 694,472,950.80

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Solution

The fourth proportional to 1,987,072,246.80, 2,980,608,370.20 and 694,472,950.80 is: 1,041,709,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,072,246.80 : 2,980,608,370.20 = 694,472,950.80 : x
  2. Step 2: Convert to fraction form
    1,987,072,246.80/2,980,608,370.20 = 694,472,950.80/x
  3. Step 3: Cross multiply
    1,987,072,246.80x = 2,980,608,370.20 × 694,472,950.80
  4. Step 4: Simplify right side
    1,987,072,246.80x = 2,069,951,890,031,972,608
  5. Step 5: Solve for x
    x = 2,069,951,890,031,972,608/1,987,072,246.80
  6. Step 6: Final answer
    x = 1,041,709,426.20

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1.5x scale

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.