Home / 677,960,437.57-1,017,253,411.94-309,608,309.23

Finding the Fourth Proportional to 677,960,437.57, 1,017,253,411.94 and 309,608,309.23

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Solution

The fourth proportional to 677,960,437.57, 1,017,253,411.94 and 309,608,309.23 is: 464,555,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,960,437.57 : 1,017,253,411.94 = 309,608,309.23 : x
  2. Step 2: Convert to fraction form
    677,960,437.57/1,017,253,411.94 = 309,608,309.23/x
  3. Step 3: Cross multiply
    677,960,437.57x = 1,017,253,411.94 × 309,608,309.23
  4. Step 4: Simplify right side
    677,960,437.57x = 314,950,108,929,192,128
  5. Step 5: Solve for x
    x = 314,950,108,929,192,128/677,960,437.57
  6. Step 6: Final answer
    x = 464,555,291.84

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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.