Home / 299,547,656,048.17-449,315,188,961.14-72,908,372,514.62

Finding the Fourth Proportional to 299,547,656,048.17, 449,315,188,961.14 and 72,908,372,514.62

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Solution

The fourth proportional to 299,547,656,048.17, 449,315,188,961.14 and 72,908,372,514.62 is: 109,361,026,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,547,656,048.17 : 449,315,188,961.14 = 72,908,372,514.62 : x
  2. Step 2: Convert to fraction form
    299,547,656,048.17/449,315,188,961.14 = 72,908,372,514.62/x
  3. Step 3: Cross multiply
    299,547,656,048.17x = 449,315,188,961.14 × 72,908,372,514.62
  4. Step 4: Simplify right side
    299,547,656,048.17x = 32,758,839,173,253,429,198,848
  5. Step 5: Solve for x
    x = 32,758,839,173,253,429,198,848/299,547,656,048.17
  6. Step 6: Final answer
    x = 109,361,026,573.97

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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.