Home / 403,398,251.70-605,097,377.55-346,002,623.70

Finding the Fourth Proportional to 403,398,251.70, 605,097,377.55 and 346,002,623.70

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Solution

The fourth proportional to 403,398,251.70, 605,097,377.55 and 346,002,623.70 is: 519,003,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,398,251.70 : 605,097,377.55 = 346,002,623.70 : x
  2. Step 2: Convert to fraction form
    403,398,251.70/605,097,377.55 = 346,002,623.70/x
  3. Step 3: Cross multiply
    403,398,251.70x = 605,097,377.55 × 346,002,623.70
  4. Step 4: Simplify right side
    403,398,251.70x = 209,365,280,226,289,440
  5. Step 5: Solve for x
    x = 209,365,280,226,289,440/403,398,251.70
  6. Step 6: Final answer
    x = 519,003,935.55

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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.