Home / 696,863,495.53-961,691,447.93-379,344,218.56

Finding the Fourth Proportional to 696,863,495.53, 961,691,447.93 and 379,344,218.56

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Solution

The fourth proportional to 696,863,495.53, 961,691,447.93 and 379,344,218.56 is: 523,505,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,863,495.53 : 961,691,447.93 = 379,344,218.56 : x
  2. Step 2: Convert to fraction form
    696,863,495.53/961,691,447.93 = 379,344,218.56/x
  3. Step 3: Cross multiply
    696,863,495.53x = 961,691,447.93 × 379,344,218.56
  4. Step 4: Simplify right side
    696,863,495.53x = 364,812,090,806,539,840
  5. Step 5: Solve for x
    x = 364,812,090,806,539,840/696,863,495.53
  6. Step 6: Final answer
    x = 523,505,813.04

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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.