Home / 634,542,813.65-949,587,427.28-509,738,770.95

Finding the Fourth Proportional to 634,542,813.65, 949,587,427.28 and 509,738,770.95

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Solution

The fourth proportional to 634,542,813.65, 949,587,427.28 and 509,738,770.95 is: 762,819,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,542,813.65 : 949,587,427.28 = 509,738,770.95 : x
  2. Step 2: Convert to fraction form
    634,542,813.65/949,587,427.28 = 509,738,770.95/x
  3. Step 3: Cross multiply
    634,542,813.65x = 949,587,427.28 × 509,738,770.95
  4. Step 4: Simplify right side
    634,542,813.65x = 484,041,528,088,731,008
  5. Step 5: Solve for x
    x = 484,041,528,088,731,008/634,542,813.65
  6. Step 6: Final answer
    x = 762,819,336.51

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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.