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Finding the Fourth Proportional to 1,358,191,857.70, 2,037,287,786.55 and 1,358,191,857.70

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Solution

The fourth proportional to 1,358,191,857.70, 2,037,287,786.55 and 1,358,191,857.70 is: 2,037,287,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,191,857.70 : 2,037,287,786.55 = 1,358,191,857.70 : x
  2. Step 2: Convert to fraction form
    1,358,191,857.70/2,037,287,786.55 = 1,358,191,857.70/x
  3. Step 3: Cross multiply
    1,358,191,857.70x = 2,037,287,786.55 × 1,358,191,857.70
  4. Step 4: Simplify right side
    1,358,191,857.70x = 2,767,027,683,483,865,600
  5. Step 5: Solve for x
    x = 2,767,027,683,483,865,600/1,358,191,857.70
  6. Step 6: Final answer
    x = 2,037,287,786.55

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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.