Home / 784,342,980.97-1,176,239,499.93-231,497,899.45

Finding the Fourth Proportional to 784,342,980.97, 1,176,239,499.93 and 231,497,899.45

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Solution

The fourth proportional to 784,342,980.97, 1,176,239,499.93 and 231,497,899.45 is: 347,165,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,342,980.97 : 1,176,239,499.93 = 231,497,899.45 : x
  2. Step 2: Convert to fraction form
    784,342,980.97/1,176,239,499.93 = 231,497,899.45/x
  3. Step 3: Cross multiply
    784,342,980.97x = 1,176,239,499.93 × 231,497,899.45
  4. Step 4: Simplify right side
    784,342,980.97x = 272,296,973,480,972,832
  5. Step 5: Solve for x
    x = 272,296,973,480,972,832/784,342,980.97
  6. Step 6: Final answer
    x = 347,165,691.65

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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.