Home / 4,878,792,167.60-7,318,188,251.40-4,144,128,129.20

Finding the Fourth Proportional to 4,878,792,167.60, 7,318,188,251.40 and 4,144,128,129.20

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Solution

The fourth proportional to 4,878,792,167.60, 7,318,188,251.40 and 4,144,128,129.20 is: 6,216,192,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,792,167.60 : 7,318,188,251.40 = 4,144,128,129.20 : x
  2. Step 2: Convert to fraction form
    4,878,792,167.60/7,318,188,251.40 = 4,144,128,129.20/x
  3. Step 3: Cross multiply
    4,878,792,167.60x = 7,318,188,251.40 × 4,144,128,129.20
  4. Step 4: Simplify right side
    4,878,792,167.60x = 30,327,509,787,407,699,968
  5. Step 5: Solve for x
    x = 30,327,509,787,407,699,968/4,878,792,167.60
  6. Step 6: Final answer
    x = 6,216,192,193.80

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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.