Home / 726,747,217,811.80-1,090,120,826,717.70-488,716,069,370.20

Finding the Fourth Proportional to 726,747,217,811.80, 1,090,120,826,717.70 and 488,716,069,370.20

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Solution

The fourth proportional to 726,747,217,811.80, 1,090,120,826,717.70 and 488,716,069,370.20 is: 733,074,104,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,747,217,811.80 : 1,090,120,826,717.70 = 488,716,069,370.20 : x
  2. Step 2: Convert to fraction form
    726,747,217,811.80/1,090,120,826,717.70 = 488,716,069,370.20/x
  3. Step 3: Cross multiply
    726,747,217,811.80x = 1,090,120,826,717.70 × 488,716,069,370.20
  4. Step 4: Simplify right side
    726,747,217,811.80x = 532,759,565,572,067,228,123,136
  5. Step 5: Solve for x
    x = 532,759,565,572,067,228,123,136/726,747,217,811.80
  6. Step 6: Final answer
    x = 733,074,104,055.30

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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.