Home / 1,259,588,639.80-1,888,816,089.30-482,976,191.80

Finding the Fourth Proportional to 1,259,588,639.80, 1,888,816,089.30 and 482,976,191.80

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Solution

The fourth proportional to 1,259,588,639.80, 1,888,816,089.30 and 482,976,191.80 is: 724,246,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,588,639.80 : 1,888,816,089.30 = 482,976,191.80 : x
  2. Step 2: Convert to fraction form
    1,259,588,639.80/1,888,816,089.30 = 482,976,191.80/x
  3. Step 3: Cross multiply
    1,259,588,639.80x = 1,888,816,089.30 × 482,976,191.80
  4. Step 4: Simplify right side
    1,259,588,639.80x = 912,253,201,820,682,752
  5. Step 5: Solve for x
    x = 912,253,201,820,682,752/1,259,588,639.80
  6. Step 6: Final answer
    x = 724,246,927.13

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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.