Home / 1,011,388,730.63-1,517,083,686.43-284,377,442.63

Finding the Fourth Proportional to 1,011,388,730.63, 1,517,083,686.43 and 284,377,442.63

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Solution

The fourth proportional to 1,011,388,730.63, 1,517,083,686.43 and 284,377,442.63 is: 426,566,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,388,730.63 : 1,517,083,686.43 = 284,377,442.63 : x
  2. Step 2: Convert to fraction form
    1,011,388,730.63/1,517,083,686.43 = 284,377,442.63/x
  3. Step 3: Cross multiply
    1,011,388,730.63x = 1,517,083,686.43 × 284,377,442.63
  4. Step 4: Simplify right side
    1,011,388,730.63x = 431,424,379,002,656,256
  5. Step 5: Solve for x
    x = 431,424,379,002,656,256/1,011,388,730.63
  6. Step 6: Final answer
    x = 426,566,329.97

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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.