Home / 434,128,805.40-651,193,208.10-261,941,921.40

Finding the Fourth Proportional to 434,128,805.40, 651,193,208.10 and 261,941,921.40

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Solution

The fourth proportional to 434,128,805.40, 651,193,208.10 and 261,941,921.40 is: 392,912,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,128,805.40 : 651,193,208.10 = 261,941,921.40 : x
  2. Step 2: Convert to fraction form
    434,128,805.40/651,193,208.10 = 261,941,921.40/x
  3. Step 3: Cross multiply
    434,128,805.40x = 651,193,208.10 × 261,941,921.40
  4. Step 4: Simplify right side
    434,128,805.40x = 170,574,800,132,344,064
  5. Step 5: Solve for x
    x = 170,574,800,132,344,064/434,128,805.40
  6. Step 6: Final answer
    x = 392,912,882.10

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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.