Home / 403,398,295.70-605,097,443.55-346,002,667.70

Finding the Fourth Proportional to 403,398,295.70, 605,097,443.55 and 346,002,667.70

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Solution

The fourth proportional to 403,398,295.70, 605,097,443.55 and 346,002,667.70 is: 519,004,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,398,295.70 : 605,097,443.55 = 346,002,667.70 : x
  2. Step 2: Convert to fraction form
    403,398,295.70/605,097,443.55 = 346,002,667.70/x
  3. Step 3: Cross multiply
    403,398,295.70x = 605,097,443.55 × 346,002,667.70
  4. Step 4: Simplify right side
    403,398,295.70x = 209,365,329,686,750,144
  5. Step 5: Solve for x
    x = 209,365,329,686,750,144/403,398,295.70
  6. Step 6: Final answer
    x = 519,004,001.55

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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.