Home / 359,688,710.94-539,532,718.79-135,382,286.76

Finding the Fourth Proportional to 359,688,710.94, 539,532,718.79 and 135,382,286.76

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Solution

The fourth proportional to 359,688,710.94, 539,532,718.79 and 135,382,286.76 is: 203,073,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,688,710.94 : 539,532,718.79 = 135,382,286.76 : x
  2. Step 2: Convert to fraction form
    359,688,710.94/539,532,718.79 = 135,382,286.76/x
  3. Step 3: Cross multiply
    359,688,710.94x = 539,532,718.79 × 135,382,286.76
  4. Step 4: Simplify right side
    359,688,710.94x = 73,043,173,250,953,296
  5. Step 5: Solve for x
    x = 73,043,173,250,953,296/359,688,710.94
  6. Step 6: Final answer
    x = 203,073,299.30

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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.