Home / 845,154,420.30-1,267,731,630.45-231,737,661.90

Finding the Fourth Proportional to 845,154,420.30, 1,267,731,630.45 and 231,737,661.90

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Solution

The fourth proportional to 845,154,420.30, 1,267,731,630.45 and 231,737,661.90 is: 347,606,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,154,420.30 : 1,267,731,630.45 = 231,737,661.90 : x
  2. Step 2: Convert to fraction form
    845,154,420.30/1,267,731,630.45 = 231,737,661.90/x
  3. Step 3: Cross multiply
    845,154,420.30x = 1,267,731,630.45 × 231,737,661.90
  4. Step 4: Simplify right side
    845,154,420.30x = 293,781,163,957,157,888
  5. Step 5: Solve for x
    x = 293,781,163,957,157,888/845,154,420.30
  6. Step 6: Final answer
    x = 347,606,492.85

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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.