Home / 338,501,479.34-466,934,129.28-212,854,819.21

Finding the Fourth Proportional to 338,501,479.34, 466,934,129.28 and 212,854,819.21

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Solution

The fourth proportional to 338,501,479.34, 466,934,129.28 and 212,854,819.21 is: 293,615,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,501,479.34 : 466,934,129.28 = 212,854,819.21 : x
  2. Step 2: Convert to fraction form
    338,501,479.34/466,934,129.28 = 212,854,819.21/x
  3. Step 3: Cross multiply
    338,501,479.34x = 466,934,129.28 × 212,854,819.21
  4. Step 4: Simplify right side
    338,501,479.34x = 99,389,179,669,705,824
  5. Step 5: Solve for x
    x = 99,389,179,669,705,824/338,501,479.34
  6. Step 6: Final answer
    x = 293,615,200.33

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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.