Home / 634,958,218.35-876,212,729.10-352,718,952.57

Finding the Fourth Proportional to 634,958,218.35, 876,212,729.10 and 352,718,952.57

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Solution

The fourth proportional to 634,958,218.35, 876,212,729.10 and 352,718,952.57 is: 486,735,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,958,218.35 : 876,212,729.10 = 352,718,952.57 : x
  2. Step 2: Convert to fraction form
    634,958,218.35/876,212,729.10 = 352,718,952.57/x
  3. Step 3: Cross multiply
    634,958,218.35x = 876,212,729.10 × 352,718,952.57
  4. Step 4: Simplify right side
    634,958,218.35x = 309,056,836,036,653,184
  5. Step 5: Solve for x
    x = 309,056,836,036,653,184/634,958,218.35
  6. Step 6: Final answer
    x = 486,735,704.97

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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.