Home / 963,322,535.28-1,329,421,640.87-539,944,021.65

Finding the Fourth Proportional to 963,322,535.28, 1,329,421,640.87 and 539,944,021.65

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Solution

The fourth proportional to 963,322,535.28, 1,329,421,640.87 and 539,944,021.65 is: 745,143,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,322,535.28 : 1,329,421,640.87 = 539,944,021.65 : x
  2. Step 2: Convert to fraction form
    963,322,535.28/1,329,421,640.87 = 539,944,021.65/x
  3. Step 3: Cross multiply
    963,322,535.28x = 1,329,421,640.87 × 539,944,021.65
  4. Step 4: Simplify right side
    963,322,535.28x = 717,813,267,239,889,664
  5. Step 5: Solve for x
    x = 717,813,267,239,889,664/963,322,535.28
  6. Step 6: Final answer
    x = 745,143,231.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.