Home / 845,153,998.80-1,267,730,998.20-231,737,240.40

Finding the Fourth Proportional to 845,153,998.80, 1,267,730,998.20 and 231,737,240.40

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Solution

The fourth proportional to 845,153,998.80, 1,267,730,998.20 and 231,737,240.40 is: 347,605,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,153,998.80 : 1,267,730,998.20 = 231,737,240.40 : x
  2. Step 2: Convert to fraction form
    845,153,998.80/1,267,730,998.20 = 231,737,240.40/x
  3. Step 3: Cross multiply
    845,153,998.80x = 1,267,730,998.20 × 231,737,240.40
  4. Step 4: Simplify right side
    845,153,998.80x = 293,780,483,092,405,376
  5. Step 5: Solve for x
    x = 293,780,483,092,405,376/845,153,998.80
  6. Step 6: Final answer
    x = 347,605,860.60

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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.