Home / 550,566,101.40-825,849,152.10-386,988,561.60

Finding the Fourth Proportional to 550,566,101.40, 825,849,152.10 and 386,988,561.60

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Solution

The fourth proportional to 550,566,101.40, 825,849,152.10 and 386,988,561.60 is: 580,482,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,566,101.40 : 825,849,152.10 = 386,988,561.60 : x
  2. Step 2: Convert to fraction form
    550,566,101.40/825,849,152.10 = 386,988,561.60/x
  3. Step 3: Cross multiply
    550,566,101.40x = 825,849,152.10 × 386,988,561.60
  4. Step 4: Simplify right side
    550,566,101.40x = 319,594,175,469,758,656
  5. Step 5: Solve for x
    x = 319,594,175,469,758,656/550,566,101.40
  6. Step 6: Final answer
    x = 580,482,842.40

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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.