Home / 543,077,085.12-749,525,349.60-304,949,001.84

Finding the Fourth Proportional to 543,077,085.12, 749,525,349.60 and 304,949,001.84

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Solution

The fourth proportional to 543,077,085.12, 749,525,349.60 and 304,949,001.84 is: 420,873,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,077,085.12 : 749,525,349.60 = 304,949,001.84 : x
  2. Step 2: Convert to fraction form
    543,077,085.12/749,525,349.60 = 304,949,001.84/x
  3. Step 3: Cross multiply
    543,077,085.12x = 749,525,349.60 × 304,949,001.84
  4. Step 4: Simplify right side
    543,077,085.12x = 228,567,007,214,297,024
  5. Step 5: Solve for x
    x = 228,567,007,214,297,024/543,077,085.12
  6. Step 6: Final answer
    x = 420,873,967.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.