Home / 1,078,345,932.84-1,617,210,347.58-351,398,174.76

Finding the Fourth Proportional to 1,078,345,932.84, 1,617,210,347.58 and 351,398,174.76

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Solution

The fourth proportional to 1,078,345,932.84, 1,617,210,347.58 and 351,398,174.76 is: 526,996,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,345,932.84 : 1,617,210,347.58 = 351,398,174.76 : x
  2. Step 2: Convert to fraction form
    1,078,345,932.84/1,617,210,347.58 = 351,398,174.76/x
  3. Step 3: Cross multiply
    1,078,345,932.84x = 1,617,210,347.58 × 351,398,174.76
  4. Step 4: Simplify right side
    1,078,345,932.84x = 568,284,764,342,597,120
  5. Step 5: Solve for x
    x = 568,284,764,342,597,120/1,078,345,932.84
  6. Step 6: Final answer
    x = 526,996,715.09

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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.