Home / 653,426,398.39-901,723,437.55-356,067,720.98

Finding the Fourth Proportional to 653,426,398.39, 901,723,437.55 and 356,067,720.98

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Solution

The fourth proportional to 653,426,398.39, 901,723,437.55 and 356,067,720.98 is: 491,370,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,426,398.39 : 901,723,437.55 = 356,067,720.98 : x
  2. Step 2: Convert to fraction form
    653,426,398.39/901,723,437.55 = 356,067,720.98/x
  3. Step 3: Cross multiply
    653,426,398.39x = 901,723,437.55 × 356,067,720.98
  4. Step 4: Simplify right side
    653,426,398.39x = 321,074,609,362,679,872
  5. Step 5: Solve for x
    x = 321,074,609,362,679,872/653,426,398.39
  6. Step 6: Final answer
    x = 491,370,734.57

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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.