Home / 386,575,010.73-533,473,601.81-212,734,754.73

Finding the Fourth Proportional to 386,575,010.73, 533,473,601.81 and 212,734,754.73

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Solution

The fourth proportional to 386,575,010.73, 533,473,601.81 and 212,734,754.73 is: 293,574,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,575,010.73 : 533,473,601.81 = 212,734,754.73 : x
  2. Step 2: Convert to fraction form
    386,575,010.73/533,473,601.81 = 212,734,754.73/x
  3. Step 3: Cross multiply
    386,575,010.73x = 533,473,601.81 × 212,734,754.73
  4. Step 4: Simplify right side
    386,575,010.73x = 113,488,375,834,916,352
  5. Step 5: Solve for x
    x = 113,488,375,834,916,352/386,575,010.73
  6. Step 6: Final answer
    x = 293,574,009.40

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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.