Home / 302,122,083,132.41-417,116,669,342.47-192,318,407,154.46

Finding the Fourth Proportional to 302,122,083,132.41, 417,116,669,342.47 and 192,318,407,154.46

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Solution

The fourth proportional to 302,122,083,132.41, 417,116,669,342.47 and 192,318,407,154.46 is: 265,519,198,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,122,083,132.41 : 417,116,669,342.47 = 192,318,407,154.46 : x
  2. Step 2: Convert to fraction form
    302,122,083,132.41/417,116,669,342.47 = 192,318,407,154.46/x
  3. Step 3: Cross multiply
    302,122,083,132.41x = 417,116,669,342.47 × 192,318,407,154.46
  4. Step 4: Simplify right side
    302,122,083,132.41x = 80,219,213,445,517,398,769,664
  5. Step 5: Solve for x
    x = 80,219,213,445,517,398,769,664/302,122,083,132.41
  6. Step 6: Final answer
    x = 265,519,198,774.89

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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.