Home / 1,248,370,797.63-1,869,950,411.38-748,796,972.85

Finding the Fourth Proportional to 1,248,370,797.63, 1,869,950,411.38 and 748,796,972.85

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Solution

The fourth proportional to 1,248,370,797.63, 1,869,950,411.38 and 748,796,972.85 is: 1,121,632,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,370,797.63 : 1,869,950,411.38 = 748,796,972.85 : x
  2. Step 2: Convert to fraction form
    1,248,370,797.63/1,869,950,411.38 = 748,796,972.85/x
  3. Step 3: Cross multiply
    1,248,370,797.63x = 1,869,950,411.38 × 748,796,972.85
  4. Step 4: Simplify right side
    1,248,370,797.63x = 1,400,213,207,415,217,920
  5. Step 5: Solve for x
    x = 1,400,213,207,415,217,920/1,248,370,797.63
  6. Step 6: Final answer
    x = 1,121,632,458.94

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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.