Home / 761,952,568.68-1,143,042,423.94-270,624,560.40

Finding the Fourth Proportional to 761,952,568.68, 1,143,042,423.94 and 270,624,560.40

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Solution

The fourth proportional to 761,952,568.68, 1,143,042,423.94 and 270,624,560.40 is: 405,977,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,952,568.68 : 1,143,042,423.94 = 270,624,560.40 : x
  2. Step 2: Convert to fraction form
    761,952,568.68/1,143,042,423.94 = 270,624,560.40/x
  3. Step 3: Cross multiply
    761,952,568.68x = 1,143,042,423.94 × 270,624,560.40
  4. Step 4: Simplify right side
    761,952,568.68x = 309,335,353,497,312,896
  5. Step 5: Solve for x
    x = 309,335,353,497,312,896/761,952,568.68
  6. Step 6: Final answer
    x = 405,977,177.86

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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.