Home / 2,719,373,403.80-4,079,060,105.70-879,312,085.40

Finding the Fourth Proportional to 2,719,373,403.80, 4,079,060,105.70 and 879,312,085.40

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Solution

The fourth proportional to 2,719,373,403.80, 4,079,060,105.70 and 879,312,085.40 is: 1,318,968,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,373,403.80 : 4,079,060,105.70 = 879,312,085.40 : x
  2. Step 2: Convert to fraction form
    2,719,373,403.80/4,079,060,105.70 = 879,312,085.40/x
  3. Step 3: Cross multiply
    2,719,373,403.80x = 4,079,060,105.70 × 879,312,085.40
  4. Step 4: Simplify right side
    2,719,373,403.80x = 3,586,766,848,015,011,328
  5. Step 5: Solve for x
    x = 3,586,766,848,015,011,328/2,719,373,403.80
  6. Step 6: Final answer
    x = 1,318,968,128.10

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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.