Home / 409,377,607.78-613,841,533.39-201,658,972.18

Finding the Fourth Proportional to 409,377,607.78, 613,841,533.39 and 201,658,972.18

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Solution

The fourth proportional to 409,377,607.78, 613,841,533.39 and 201,658,972.18 is: 302,377,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,377,607.78 : 613,841,533.39 = 201,658,972.18 : x
  2. Step 2: Convert to fraction form
    409,377,607.78/613,841,533.39 = 201,658,972.18/x
  3. Step 3: Cross multiply
    409,377,607.78x = 613,841,533.39 × 201,658,972.18
  4. Step 4: Simplify right side
    409,377,607.78x = 123,786,652,704,822,560
  5. Step 5: Solve for x
    x = 123,786,652,704,822,560/409,377,607.78
  6. Step 6: Final answer
    x = 302,377,683.47

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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.