Home / 401,473,082.82-602,213,778.73-121,356,323.60

Finding the Fourth Proportional to 401,473,082.82, 602,213,778.73 and 121,356,323.60

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Solution

The fourth proportional to 401,473,082.82, 602,213,778.73 and 121,356,323.60 is: 182,035,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,473,082.82 : 602,213,778.73 = 121,356,323.60 : x
  2. Step 2: Convert to fraction form
    401,473,082.82/602,213,778.73 = 121,356,323.60/x
  3. Step 3: Cross multiply
    401,473,082.82x = 602,213,778.73 × 121,356,323.60
  4. Step 4: Simplify right side
    401,473,082.82x = 73,082,450,208,808,784
  5. Step 5: Solve for x
    x = 73,082,450,208,808,784/401,473,082.82
  6. Step 6: Final answer
    x = 182,035,741.21

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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.