Home / 960,509,946.13-1,440,849,993.50-270,423,178.81

Finding the Fourth Proportional to 960,509,946.13, 1,440,849,993.50 and 270,423,178.81

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Solution

The fourth proportional to 960,509,946.13, 1,440,849,993.50 and 270,423,178.81 is: 405,658,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,509,946.13 : 1,440,849,993.50 = 270,423,178.81 : x
  2. Step 2: Convert to fraction form
    960,509,946.13/1,440,849,993.50 = 270,423,178.81/x
  3. Step 3: Cross multiply
    960,509,946.13x = 1,440,849,993.50 × 270,423,178.81
  4. Step 4: Simplify right side
    960,509,946.13x = 389,639,235,429,285,696
  5. Step 5: Solve for x
    x = 389,639,235,429,285,696/960,509,946.13
  6. Step 6: Final answer
    x = 405,658,720.14

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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.