Home / 369,932,326.86-510,506,433.60-221,253,445.38

Finding the Fourth Proportional to 369,932,326.86, 510,506,433.60 and 221,253,445.38

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Solution

The fourth proportional to 369,932,326.86, 510,506,433.60 and 221,253,445.38 is: 305,329,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,932,326.86 : 510,506,433.60 = 221,253,445.38 : x
  2. Step 2: Convert to fraction form
    369,932,326.86/510,506,433.60 = 221,253,445.38/x
  3. Step 3: Cross multiply
    369,932,326.86x = 510,506,433.60 × 221,253,445.38
  4. Step 4: Simplify right side
    369,932,326.86x = 112,951,307,322,656,192
  5. Step 5: Solve for x
    x = 112,951,307,322,656,192/369,932,326.86
  6. Step 6: Final answer
    x = 305,329,648.48

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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.