Home / 99,691,839,579.20-149,537,759,368.80-28,946,413,659.20

Finding the Fourth Proportional to 99,691,839,579.20, 149,537,759,368.80 and 28,946,413,659.20

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Solution

The fourth proportional to 99,691,839,579.20, 149,537,759,368.80 and 28,946,413,659.20 is: 43,419,620,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,691,839,579.20 : 149,537,759,368.80 = 28,946,413,659.20 : x
  2. Step 2: Convert to fraction form
    99,691,839,579.20/149,537,759,368.80 = 28,946,413,659.20/x
  3. Step 3: Cross multiply
    99,691,839,579.20x = 149,537,759,368.80 × 28,946,413,659.20
  4. Step 4: Simplify right side
    99,691,839,579.20x = 4,328,581,840,359,194,624,000
  5. Step 5: Solve for x
    x = 4,328,581,840,359,194,624,000/99,691,839,579.20
  6. Step 6: Final answer
    x = 43,419,620,488.80

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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.