Home / 433,072,290.78-649,349,012.37-137,839,884.66

Finding the Fourth Proportional to 433,072,290.78, 649,349,012.37 and 137,839,884.66

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Solution

The fourth proportional to 433,072,290.78, 649,349,012.37 and 137,839,884.66 is: 206,677,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,072,290.78 : 649,349,012.37 = 137,839,884.66 : x
  2. Step 2: Convert to fraction form
    433,072,290.78/649,349,012.37 = 137,839,884.66/x
  3. Step 3: Cross multiply
    433,072,290.78x = 649,349,012.37 × 137,839,884.66
  4. Step 4: Simplify right side
    433,072,290.78x = 89,506,192,969,165,712
  5. Step 5: Solve for x
    x = 89,506,192,969,165,712/433,072,290.78
  6. Step 6: Final answer
    x = 206,677,256.60

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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.