Home / 1,758,890,760.60-2,639,824,175.70-724,493,998.20

Finding the Fourth Proportional to 1,758,890,760.60, 2,639,824,175.70 and 724,493,998.20

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Solution

The fourth proportional to 1,758,890,760.60, 2,639,824,175.70 and 724,493,998.20 is: 1,087,353,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,890,760.60 : 2,639,824,175.70 = 724,493,998.20 : x
  2. Step 2: Convert to fraction form
    1,758,890,760.60/2,639,824,175.70 = 724,493,998.20/x
  3. Step 3: Cross multiply
    1,758,890,760.60x = 2,639,824,175.70 × 724,493,998.20
  4. Step 4: Simplify right side
    1,758,890,760.60x = 1,912,536,771,597,912,320
  5. Step 5: Solve for x
    x = 1,912,536,771,597,912,320/1,758,890,760.60
  6. Step 6: Final answer
    x = 1,087,353,924.67

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Double scale
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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.