Home / 559,872,712.80-839,809,069.20-550,802,786.40

Finding the Fourth Proportional to 559,872,712.80, 839,809,069.20 and 550,802,786.40

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Solution

The fourth proportional to 559,872,712.80, 839,809,069.20 and 550,802,786.40 is: 826,204,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,712.80 : 839,809,069.20 = 550,802,786.40 : x
  2. Step 2: Convert to fraction form
    559,872,712.80/839,809,069.20 = 550,802,786.40/x
  3. Step 3: Cross multiply
    559,872,712.80x = 839,809,069.20 × 550,802,786.40
  4. Step 4: Simplify right side
    559,872,712.80x = 462,569,175,359,350,400
  5. Step 5: Solve for x
    x = 462,569,175,359,350,400/559,872,712.80
  6. Step 6: Final answer
    x = 826,204,179.60

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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.