Home / 406,741,528,103.78-561,303,400,403.55-223,838,629,748.14

Finding the Fourth Proportional to 406,741,528,103.78, 561,303,400,403.55 and 223,838,629,748.14

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Solution

The fourth proportional to 406,741,528,103.78, 561,303,400,403.55 and 223,838,629,748.14 is: 308,897,359,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,741,528,103.78 : 561,303,400,403.55 = 223,838,629,748.14 : x
  2. Step 2: Convert to fraction form
    406,741,528,103.78/561,303,400,403.55 = 223,838,629,748.14/x
  3. Step 3: Cross multiply
    406,741,528,103.78x = 561,303,400,403.55 × 223,838,629,748.14
  4. Step 4: Simplify right side
    406,741,528,103.78x = 125,641,384,019,302,216,105,984
  5. Step 5: Solve for x
    x = 125,641,384,019,302,216,105,984/406,741,528,103.78
  6. Step 6: Final answer
    x = 308,897,359,473.08

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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.