Home / 2,117,373,128.81-3,175,385,865.13-699,006,167.98

Finding the Fourth Proportional to 2,117,373,128.81, 3,175,385,865.13 and 699,006,167.98

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Solution

The fourth proportional to 2,117,373,128.81, 3,175,385,865.13 and 699,006,167.98 is: 1,048,286,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,373,128.81 : 3,175,385,865.13 = 699,006,167.98 : x
  2. Step 2: Convert to fraction form
    2,117,373,128.81/3,175,385,865.13 = 699,006,167.98/x
  3. Step 3: Cross multiply
    2,117,373,128.81x = 3,175,385,865.13 × 699,006,167.98
  4. Step 4: Simplify right side
    2,117,373,128.81x = 2,219,614,305,432,692,224
  5. Step 5: Solve for x
    x = 2,219,614,305,432,692,224/2,117,373,128.81
  6. Step 6: Final answer
    x = 1,048,286,801.81

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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.