Home / 1,310,329,818.75-1,965,770,807.80-424,946,141.16

Finding the Fourth Proportional to 1,310,329,818.75, 1,965,770,807.80 and 424,946,141.16

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Solution

The fourth proportional to 1,310,329,818.75, 1,965,770,807.80 and 424,946,141.16 is: 637,508,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,329,818.75 : 1,965,770,807.80 = 424,946,141.16 : x
  2. Step 2: Convert to fraction form
    1,310,329,818.75/1,965,770,807.80 = 424,946,141.16/x
  3. Step 3: Cross multiply
    1,310,329,818.75x = 1,965,770,807.80 × 424,946,141.16
  4. Step 4: Simplify right side
    1,310,329,818.75x = 835,346,719,179,586,048
  5. Step 5: Solve for x
    x = 835,346,719,179,586,048/1,310,329,818.75
  6. Step 6: Final answer
    x = 637,508,745.68

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Double scale
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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.