Home / 404,291,874.53-557,922,786.45-218,652,890.02

Finding the Fourth Proportional to 404,291,874.53, 557,922,786.45 and 218,652,890.02

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Solution

The fourth proportional to 404,291,874.53, 557,922,786.45 and 218,652,890.02 is: 301,740,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,291,874.53 : 557,922,786.45 = 218,652,890.02 : x
  2. Step 2: Convert to fraction form
    404,291,874.53/557,922,786.45 = 218,652,890.02/x
  3. Step 3: Cross multiply
    404,291,874.53x = 557,922,786.45 × 218,652,890.02
  4. Step 4: Simplify right side
    404,291,874.53x = 121,991,429,665,303,808
  5. Step 5: Solve for x
    x = 121,991,429,665,303,808/404,291,874.53
  6. Step 6: Final answer
    x = 301,740,988.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.