Home / 743,981,191,061.49-1,115,065,157,869-385,635,605,249.97

Finding the Fourth Proportional to 743,981,191,061.49, 1,115,065,157,869 and 385,635,605,249.97

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Solution

The fourth proportional to 743,981,191,061.49, 1,115,065,157,869 and 385,635,605,249.97 is: 577,983,465,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,981,191,061.49 : 1,115,065,157,869 = 385,635,605,249.97 : x
  2. Step 2: Convert to fraction form
    743,981,191,061.49/1,115,065,157,869 = 385,635,605,249.97/x
  3. Step 3: Cross multiply
    743,981,191,061.49x = 1,115,065,157,869 × 385,635,605,249.97
  4. Step 4: Simplify right side
    743,981,191,061.49x = 430,008,827,047,965,102,178,304
  5. Step 5: Solve for x
    x = 430,008,827,047,965,102,178,304/743,981,191,061.49
  6. Step 6: Final answer
    x = 577,983,465,461.60

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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.