Home / 403,398,266.70-605,097,400.05-346,002,638.70

Finding the Fourth Proportional to 403,398,266.70, 605,097,400.05 and 346,002,638.70

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Solution

The fourth proportional to 403,398,266.70, 605,097,400.05 and 346,002,638.70 is: 519,003,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,398,266.70 : 605,097,400.05 = 346,002,638.70 : x
  2. Step 2: Convert to fraction form
    403,398,266.70/605,097,400.05 = 346,002,638.70/x
  3. Step 3: Cross multiply
    403,398,266.70x = 605,097,400.05 × 346,002,638.70
  4. Step 4: Simplify right side
    403,398,266.70x = 209,365,297,087,809,504
  5. Step 5: Solve for x
    x = 209,365,297,087,809,504/403,398,266.70
  6. Step 6: Final answer
    x = 519,003,958.05

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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.