Home / 434,540,999.80-651,811,499.70-296,791,492.60

Finding the Fourth Proportional to 434,540,999.80, 651,811,499.70 and 296,791,492.60

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Solution

The fourth proportional to 434,540,999.80, 651,811,499.70 and 296,791,492.60 is: 445,187,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,540,999.80 : 651,811,499.70 = 296,791,492.60 : x
  2. Step 2: Convert to fraction form
    434,540,999.80/651,811,499.70 = 296,791,492.60/x
  3. Step 3: Cross multiply
    434,540,999.80x = 651,811,499.70 × 296,791,492.60
  4. Step 4: Simplify right side
    434,540,999.80x = 193,452,107,889,807,488
  5. Step 5: Solve for x
    x = 193,452,107,889,807,488/434,540,999.80
  6. Step 6: Final answer
    x = 445,187,238.90

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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.