Home / 1,455,141,423.70-2,183,031,000.15-718,564,197.70

Finding the Fourth Proportional to 1,455,141,423.70, 2,183,031,000.15 and 718,564,197.70

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Solution

The fourth proportional to 1,455,141,423.70, 2,183,031,000.15 and 718,564,197.70 is: 1,078,003,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,141,423.70 : 2,183,031,000.15 = 718,564,197.70 : x
  2. Step 2: Convert to fraction form
    1,455,141,423.70/2,183,031,000.15 = 718,564,197.70/x
  3. Step 3: Cross multiply
    1,455,141,423.70x = 2,183,031,000.15 × 718,564,197.70
  4. Step 4: Simplify right side
    1,455,141,423.70x = 1,568,647,919,177,013,504
  5. Step 5: Solve for x
    x = 1,568,647,919,177,013,504/1,455,141,423.70
  6. Step 6: Final answer
    x = 1,078,003,755.26

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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.