Home / 404,291,880.68-557,922,794.90-218,652,896.16

Finding the Fourth Proportional to 404,291,880.68, 557,922,794.90 and 218,652,896.16

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Solution

The fourth proportional to 404,291,880.68, 557,922,794.90 and 218,652,896.16 is: 301,740,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,291,880.68 : 557,922,794.90 = 218,652,896.16 : x
  2. Step 2: Convert to fraction form
    404,291,880.68/557,922,794.90 = 218,652,896.16/x
  3. Step 3: Cross multiply
    404,291,880.68x = 557,922,794.90 × 218,652,896.16
  4. Step 4: Simplify right side
    404,291,880.68x = 121,991,434,937,473,408
  5. Step 5: Solve for x
    x = 121,991,434,937,473,408/404,291,880.68
  6. Step 6: Final answer
    x = 301,740,996.46

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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.