Home / 432,556,286.40-648,897,415.20-141,352,862.40

Finding the Fourth Proportional to 432,556,286.40, 648,897,415.20 and 141,352,862.40

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Solution

The fourth proportional to 432,556,286.40, 648,897,415.20 and 141,352,862.40 is: 212,049,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,556,286.40 : 648,897,415.20 = 141,352,862.40 : x
  2. Step 2: Convert to fraction form
    432,556,286.40/648,897,415.20 = 141,352,862.40/x
  3. Step 3: Cross multiply
    432,556,286.40x = 648,897,415.20 × 141,352,862.40
  4. Step 4: Simplify right side
    432,556,286.40x = 91,723,507,042,481,280
  5. Step 5: Solve for x
    x = 91,723,507,042,481,280/432,556,286.40
  6. Step 6: Final answer
    x = 212,049,876.34

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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.