Home / 694,515,671.52-958,406,828.57-393,094,511.47

Finding the Fourth Proportional to 694,515,671.52, 958,406,828.57 and 393,094,511.47

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Solution

The fourth proportional to 694,515,671.52, 958,406,828.57 and 393,094,511.47 is: 542,456,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,515,671.52 : 958,406,828.57 = 393,094,511.47 : x
  2. Step 2: Convert to fraction form
    694,515,671.52/958,406,828.57 = 393,094,511.47/x
  3. Step 3: Cross multiply
    694,515,671.52x = 958,406,828.57 × 393,094,511.47
  4. Step 4: Simplify right side
    694,515,671.52x = 376,744,464,066,236,224
  5. Step 5: Solve for x
    x = 376,744,464,066,236,224/694,515,671.52
  6. Step 6: Final answer
    x = 542,456,390.14

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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.