Home / 628,388,215.20-943,007,475.60-283,164,141.60

Finding the Fourth Proportional to 628,388,215.20, 943,007,475.60 and 283,164,141.60

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Solution

The fourth proportional to 628,388,215.20, 943,007,475.60 and 283,164,141.60 is: 424,937,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,388,215.20 : 943,007,475.60 = 283,164,141.60 : x
  2. Step 2: Convert to fraction form
    628,388,215.20/943,007,475.60 = 283,164,141.60/x
  3. Step 3: Cross multiply
    628,388,215.20x = 943,007,475.60 × 283,164,141.60
  4. Step 4: Simplify right side
    628,388,215.20x = 267,025,902,350,656,960
  5. Step 5: Solve for x
    x = 267,025,902,350,656,960/628,388,215.20
  6. Step 6: Final answer
    x = 424,937,794.65

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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.