Home / 2,988,142,745.20-4,482,214,117.80-917,861,185.60

Finding the Fourth Proportional to 2,988,142,745.20, 4,482,214,117.80 and 917,861,185.60

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Solution

The fourth proportional to 2,988,142,745.20, 4,482,214,117.80 and 917,861,185.60 is: 1,376,791,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,142,745.20 : 4,482,214,117.80 = 917,861,185.60 : x
  2. Step 2: Convert to fraction form
    2,988,142,745.20/4,482,214,117.80 = 917,861,185.60/x
  3. Step 3: Cross multiply
    2,988,142,745.20x = 4,482,214,117.80 × 917,861,185.60
  4. Step 4: Simplify right side
    2,988,142,745.20x = 4,114,050,364,276,966,400
  5. Step 5: Solve for x
    x = 4,114,050,364,276,966,400/2,988,142,745.20
  6. Step 6: Final answer
    x = 1,376,791,778.40

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1.5x scale

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.