Home / 1,021,560,212.34-1,532,340,338.81-245,205,873.17

Finding the Fourth Proportional to 1,021,560,212.34, 1,532,340,338.81 and 245,205,873.17

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Solution

The fourth proportional to 1,021,560,212.34, 1,532,340,338.81 and 245,205,873.17 is: 367,808,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,560,212.34 : 1,532,340,338.81 = 245,205,873.17 : x
  2. Step 2: Convert to fraction form
    1,021,560,212.34/1,532,340,338.81 = 245,205,873.17/x
  3. Step 3: Cross multiply
    1,021,560,212.34x = 1,532,340,338.81 × 245,205,873.17
  4. Step 4: Simplify right side
    1,021,560,212.34x = 375,738,850,771,519,680
  5. Step 5: Solve for x
    x = 375,738,850,771,519,680/1,021,560,212.34
  6. Step 6: Final answer
    x = 367,808,814.63

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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.