Home / 559,872,743.80-839,809,115.70-386,984,270.20

Finding the Fourth Proportional to 559,872,743.80, 839,809,115.70 and 386,984,270.20

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Solution

The fourth proportional to 559,872,743.80, 839,809,115.70 and 386,984,270.20 is: 580,476,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,743.80 : 839,809,115.70 = 386,984,270.20 : x
  2. Step 2: Convert to fraction form
    559,872,743.80/839,809,115.70 = 386,984,270.20/x
  3. Step 3: Cross multiply
    559,872,743.80x = 839,809,115.70 × 386,984,270.20
  4. Step 4: Simplify right side
    559,872,743.80x = 324,992,917,746,471,872
  5. Step 5: Solve for x
    x = 324,992,917,746,471,872/559,872,743.80
  6. Step 6: Final answer
    x = 580,476,405.30

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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.