Home / 13,451,509,899.60-20,177,264,849.40-7,175,297,977.80

Finding the Fourth Proportional to 13,451,509,899.60, 20,177,264,849.40 and 7,175,297,977.80

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Solution

The fourth proportional to 13,451,509,899.60, 20,177,264,849.40 and 7,175,297,977.80 is: 10,762,946,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,509,899.60 : 20,177,264,849.40 = 7,175,297,977.80 : x
  2. Step 2: Convert to fraction form
    13,451,509,899.60/20,177,264,849.40 = 7,175,297,977.80/x
  3. Step 3: Cross multiply
    13,451,509,899.60x = 20,177,264,849.40 × 7,175,297,977.80
  4. Step 4: Simplify right side
    13,451,509,899.60x = 144,777,887,671,434,854,400
  5. Step 5: Solve for x
    x = 144,777,887,671,434,854,400/13,451,509,899.60
  6. Step 6: Final answer
    x = 10,762,946,966.70

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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.