Home / 435,660,346.80-653,490,520.20-159,311,026.80

Finding the Fourth Proportional to 435,660,346.80, 653,490,520.20 and 159,311,026.80

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Solution

The fourth proportional to 435,660,346.80, 653,490,520.20 and 159,311,026.80 is: 238,966,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,660,346.80 : 653,490,520.20 = 159,311,026.80 : x
  2. Step 2: Convert to fraction form
    435,660,346.80/653,490,520.20 = 159,311,026.80/x
  3. Step 3: Cross multiply
    435,660,346.80x = 653,490,520.20 × 159,311,026.80
  4. Step 4: Simplify right side
    435,660,346.80x = 104,108,245,777,128,160
  5. Step 5: Solve for x
    x = 104,108,245,777,128,160/435,660,346.80
  6. Step 6: Final answer
    x = 238,966,540.20

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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.