Home / 431,036,592-646,560,486.72-143,822,256

Finding the Fourth Proportional to 431,036,592, 646,560,486.72 and 143,822,256

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Solution

The fourth proportional to 431,036,592, 646,560,486.72 and 143,822,256 is: 215,735,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,036,592 : 646,560,486.72 = 143,822,256 : x
  2. Step 2: Convert to fraction form
    431,036,592/646,560,486.72 = 143,822,256/x
  3. Step 3: Cross multiply
    431,036,592x = 646,560,486.72 × 143,822,256
  4. Step 4: Simplify right side
    431,036,592x = 92,989,787,840,528,448
  5. Step 5: Solve for x
    x = 92,989,787,840,528,448/431,036,592
  6. Step 6: Final answer
    x = 215,735,252.10

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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.