Home / 696,887,502.17-961,716,983.46-379,356,877.40

Finding the Fourth Proportional to 696,887,502.17, 961,716,983.46 and 379,356,877.40

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Solution

The fourth proportional to 696,887,502.17, 961,716,983.46 and 379,356,877.40 is: 523,519,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,887,502.17 : 961,716,983.46 = 379,356,877.40 : x
  2. Step 2: Convert to fraction form
    696,887,502.17/961,716,983.46 = 379,356,877.40/x
  3. Step 3: Cross multiply
    696,887,502.17x = 961,716,983.46 × 379,356,877.40
  4. Step 4: Simplify right side
    696,887,502.17x = 364,833,951,787,933,056
  5. Step 5: Solve for x
    x = 364,833,951,787,933,056/696,887,502.17
  6. Step 6: Final answer
    x = 523,519,148.57

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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.