Home / 386,655,116.64-533,584,031.28-210,444,375.52

Finding the Fourth Proportional to 386,655,116.64, 533,584,031.28 and 210,444,375.52

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Solution

The fourth proportional to 386,655,116.64, 533,584,031.28 and 210,444,375.52 is: 290,413,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,655,116.64 : 533,584,031.28 = 210,444,375.52 : x
  2. Step 2: Convert to fraction form
    386,655,116.64/533,584,031.28 = 210,444,375.52/x
  3. Step 3: Cross multiply
    386,655,116.64x = 533,584,031.28 × 210,444,375.52
  4. Step 4: Simplify right side
    386,655,116.64x = 112,289,758,250,163,744
  5. Step 5: Solve for x
    x = 112,289,758,250,163,744/386,655,116.64
  6. Step 6: Final answer
    x = 290,413,222.06

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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.