Home / 366,621,799.32-507,270,372.57-319,676,698.17

Finding the Fourth Proportional to 366,621,799.32, 507,270,372.57 and 319,676,698.17

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Solution

The fourth proportional to 366,621,799.32, 507,270,372.57 and 319,676,698.17 is: 442,315,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,621,799.32 : 507,270,372.57 = 319,676,698.17 : x
  2. Step 2: Convert to fraction form
    366,621,799.32/507,270,372.57 = 319,676,698.17/x
  3. Step 3: Cross multiply
    366,621,799.32x = 507,270,372.57 × 319,676,698.17
  4. Step 4: Simplify right side
    366,621,799.32x = 162,162,517,782,643,328
  5. Step 5: Solve for x
    x = 162,162,517,782,643,328/366,621,799.32
  6. Step 6: Final answer
    x = 442,315,536.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.