Home / 442,368,368.40-663,552,552.60-248,876,605.20

Finding the Fourth Proportional to 442,368,368.40, 663,552,552.60 and 248,876,605.20

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Solution

The fourth proportional to 442,368,368.40, 663,552,552.60 and 248,876,605.20 is: 373,314,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,368,368.40 : 663,552,552.60 = 248,876,605.20 : x
  2. Step 2: Convert to fraction form
    442,368,368.40/663,552,552.60 = 248,876,605.20/x
  3. Step 3: Cross multiply
    442,368,368.40x = 663,552,552.60 × 248,876,605.20
  4. Step 4: Simplify right side
    442,368,368.40x = 165,142,706,662,882,432
  5. Step 5: Solve for x
    x = 165,142,706,662,882,432/442,368,368.40
  6. Step 6: Final answer
    x = 373,314,907.80

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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.