Home / 1,021,560,245.88-1,532,340,389.16-245,205,906.72

Finding the Fourth Proportional to 1,021,560,245.88, 1,532,340,389.16 and 245,205,906.72

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Solution

The fourth proportional to 1,021,560,245.88, 1,532,340,389.16 and 245,205,906.72 is: 367,808,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,560,245.88 : 1,532,340,389.16 = 245,205,906.72 : x
  2. Step 2: Convert to fraction form
    1,021,560,245.88/1,532,340,389.16 = 245,205,906.72/x
  3. Step 3: Cross multiply
    1,021,560,245.88x = 1,532,340,389.16 × 245,205,906.72
  4. Step 4: Simplify right side
    1,021,560,245.88x = 375,738,914,527,655,488
  5. Step 5: Solve for x
    x = 375,738,914,527,655,488/1,021,560,245.88
  6. Step 6: Final answer
    x = 367,808,864.96

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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.