Home / 696,887,508.30-961,716,991.91-379,356,883.53

Finding the Fourth Proportional to 696,887,508.30, 961,716,991.91 and 379,356,883.53

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Solution

The fourth proportional to 696,887,508.30, 961,716,991.91 and 379,356,883.53 is: 523,519,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,887,508.30 : 961,716,991.91 = 379,356,883.53 : x
  2. Step 2: Convert to fraction form
    696,887,508.30/961,716,991.91 = 379,356,883.53/x
  3. Step 3: Cross multiply
    696,887,508.30x = 961,716,991.91 × 379,356,883.53
  4. Step 4: Simplify right side
    696,887,508.30x = 364,833,960,884,963,584
  5. Step 5: Solve for x
    x = 364,833,960,884,963,584/696,887,508.30
  6. Step 6: Final answer
    x = 523,519,157.03

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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.