Home / 808,291,240.94-1,212,431,773.77-434,974,976.20

Finding the Fourth Proportional to 808,291,240.94, 1,212,431,773.77 and 434,974,976.20

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Solution

The fourth proportional to 808,291,240.94, 1,212,431,773.77 and 434,974,976.20 is: 652,459,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,291,240.94 : 1,212,431,773.77 = 434,974,976.20 : x
  2. Step 2: Convert to fraction form
    808,291,240.94/1,212,431,773.77 = 434,974,976.20/x
  3. Step 3: Cross multiply
    808,291,240.94x = 1,212,431,773.77 × 434,974,976.20
  4. Step 4: Simplify right side
    808,291,240.94x = 527,377,481,941,245,056
  5. Step 5: Solve for x
    x = 527,377,481,941,245,056/808,291,240.94
  6. Step 6: Final answer
    x = 652,459,726.43

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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.