Home / 790,278,256.82-1,184,957,891.40-299,029,475.36

Finding the Fourth Proportional to 790,278,256.82, 1,184,957,891.40 and 299,029,475.36

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Solution

The fourth proportional to 790,278,256.82, 1,184,957,891.40 and 299,029,475.36 is: 448,370,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,278,256.82 : 1,184,957,891.40 = 299,029,475.36 : x
  2. Step 2: Convert to fraction form
    790,278,256.82/1,184,957,891.40 = 299,029,475.36/x
  3. Step 3: Cross multiply
    790,278,256.82x = 1,184,957,891.40 × 299,029,475.36
  4. Step 4: Simplify right side
    790,278,256.82x = 354,337,336,589,033,920
  5. Step 5: Solve for x
    x = 354,337,336,589,033,920/790,278,256.82
  6. Step 6: Final answer
    x = 448,370,347.45

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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.