Home / 805,356,714.82-1,207,251,603.84-385,068,867.95

Finding the Fourth Proportional to 805,356,714.82, 1,207,251,603.84 and 385,068,867.95

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Solution

The fourth proportional to 805,356,714.82, 1,207,251,603.84 and 385,068,867.95 is: 577,228,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,356,714.82 : 1,207,251,603.84 = 385,068,867.95 : x
  2. Step 2: Convert to fraction form
    805,356,714.82/1,207,251,603.84 = 385,068,867.95/x
  3. Step 3: Cross multiply
    805,356,714.82x = 1,207,251,603.84 × 385,068,867.95
  4. Step 4: Simplify right side
    805,356,714.82x = 464,875,008,427,481,152
  5. Step 5: Solve for x
    x = 464,875,008,427,481,152/805,356,714.82
  6. Step 6: Final answer
    x = 577,228,698.63

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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.