Home / 431,082,067.95-646,623,101.93-344,988,625.95

Finding the Fourth Proportional to 431,082,067.95, 646,623,101.93 and 344,988,625.95

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Solution

The fourth proportional to 431,082,067.95, 646,623,101.93 and 344,988,625.95 is: 517,482,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,082,067.95 : 646,623,101.93 = 344,988,625.95 : x
  2. Step 2: Convert to fraction form
    431,082,067.95/646,623,101.93 = 344,988,625.95/x
  3. Step 3: Cross multiply
    431,082,067.95x = 646,623,101.93 × 344,988,625.95
  4. Step 4: Simplify right side
    431,082,067.95x = 223,077,615,440,632,512
  5. Step 5: Solve for x
    x = 223,077,615,440,632,512/431,082,067.95
  6. Step 6: Final answer
    x = 517,482,938.93

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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.