Home / 404,463,419.34-558,545,006.55-382,428,563.22

Finding the Fourth Proportional to 404,463,419.34, 558,545,006.55 and 382,428,563.22

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Solution

The fourth proportional to 404,463,419.34, 558,545,006.55 and 382,428,563.22 is: 528,115,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,463,419.34 : 558,545,006.55 = 382,428,563.22 : x
  2. Step 2: Convert to fraction form
    404,463,419.34/558,545,006.55 = 382,428,563.22/x
  3. Step 3: Cross multiply
    404,463,419.34x = 558,545,006.55 × 382,428,563.22
  4. Step 4: Simplify right side
    404,463,419.34x = 213,603,564,348,621,984
  5. Step 5: Solve for x
    x = 213,603,564,348,621,984/404,463,419.34
  6. Step 6: Final answer
    x = 528,115,904.02

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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.