Home / 525,961,072.80-788,941,609.20-238,746,736.80

Finding the Fourth Proportional to 525,961,072.80, 788,941,609.20 and 238,746,736.80

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Solution

The fourth proportional to 525,961,072.80, 788,941,609.20 and 238,746,736.80 is: 358,120,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,961,072.80 : 788,941,609.20 = 238,746,736.80 : x
  2. Step 2: Convert to fraction form
    525,961,072.80/788,941,609.20 = 238,746,736.80/x
  3. Step 3: Cross multiply
    525,961,072.80x = 788,941,609.20 × 238,746,736.80
  4. Step 4: Simplify right side
    525,961,072.80x = 188,357,234,722,240,864
  5. Step 5: Solve for x
    x = 188,357,234,722,240,864/525,961,072.80
  6. Step 6: Final answer
    x = 358,120,105.20

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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.