Home / 345,205,967.68-517,805,408.58-199,546,846.93

Finding the Fourth Proportional to 345,205,967.68, 517,805,408.58 and 199,546,846.93

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Solution

The fourth proportional to 345,205,967.68, 517,805,408.58 and 199,546,846.93 is: 299,318,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,205,967.68 : 517,805,408.58 = 199,546,846.93 : x
  2. Step 2: Convert to fraction form
    345,205,967.68/517,805,408.58 = 199,546,846.93/x
  3. Step 3: Cross multiply
    345,205,967.68x = 517,805,408.58 × 199,546,846.93
  4. Step 4: Simplify right side
    345,205,967.68x = 103,326,436,605,338,336
  5. Step 5: Solve for x
    x = 103,326,436,605,338,336/345,205,967.68
  6. Step 6: Final answer
    x = 299,318,222.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.