Home / 1,310,329,815.75-1,965,770,803.30-424,946,138.15

Finding the Fourth Proportional to 1,310,329,815.75, 1,965,770,803.30 and 424,946,138.15

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Solution

The fourth proportional to 1,310,329,815.75, 1,965,770,803.30 and 424,946,138.15 is: 637,508,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,329,815.75 : 1,965,770,803.30 = 424,946,138.15 : x
  2. Step 2: Convert to fraction form
    1,310,329,815.75/1,965,770,803.30 = 424,946,138.15/x
  3. Step 3: Cross multiply
    1,310,329,815.75x = 1,965,770,803.30 × 424,946,138.15
  4. Step 4: Simplify right side
    1,310,329,815.75x = 835,346,711,354,210,304
  5. Step 5: Solve for x
    x = 835,346,711,354,210,304/1,310,329,815.75
  6. Step 6: Final answer
    x = 637,508,741.17

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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.