Home / 960,509,946.38-1,440,849,993.87-270,423,179.06

Finding the Fourth Proportional to 960,509,946.38, 1,440,849,993.87 and 270,423,179.06

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Solution

The fourth proportional to 960,509,946.38, 1,440,849,993.87 and 270,423,179.06 is: 405,658,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,509,946.38 : 1,440,849,993.87 = 270,423,179.06 : x
  2. Step 2: Convert to fraction form
    960,509,946.38/1,440,849,993.87 = 270,423,179.06/x
  3. Step 3: Cross multiply
    960,509,946.38x = 1,440,849,993.87 × 270,423,179.06
  4. Step 4: Simplify right side
    960,509,946.38x = 389,639,235,890,906,880
  5. Step 5: Solve for x
    x = 389,639,235,890,906,880/960,509,946.38
  6. Step 6: Final answer
    x = 405,658,720.52

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1.5x scale

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.