Home / 680,157,474.40-1,020,236,211.60-335,783,706.40

Finding the Fourth Proportional to 680,157,474.40, 1,020,236,211.60 and 335,783,706.40

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Solution

The fourth proportional to 680,157,474.40, 1,020,236,211.60 and 335,783,706.40 is: 503,675,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,157,474.40 : 1,020,236,211.60 = 335,783,706.40 : x
  2. Step 2: Convert to fraction form
    680,157,474.40/1,020,236,211.60 = 335,783,706.40/x
  3. Step 3: Cross multiply
    680,157,474.40x = 1,020,236,211.60 × 335,783,706.40
  4. Step 4: Simplify right side
    680,157,474.40x = 342,578,696,534,542,656
  5. Step 5: Solve for x
    x = 342,578,696,534,542,656/680,157,474.40
  6. Step 6: Final answer
    x = 503,675,559.60

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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.