Home / 356,886,033.82-492,506,695.17-198,126,892.42

Finding the Fourth Proportional to 356,886,033.82, 492,506,695.17 and 198,126,892.42

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Solution

The fourth proportional to 356,886,033.82, 492,506,695.17 and 198,126,892.42 is: 273,417,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,886,033.82 : 492,506,695.17 = 198,126,892.42 : x
  2. Step 2: Convert to fraction form
    356,886,033.82/492,506,695.17 = 198,126,892.42/x
  3. Step 3: Cross multiply
    356,886,033.82x = 492,506,695.17 × 198,126,892.42
  4. Step 4: Simplify right side
    356,886,033.82x = 97,578,821,008,845,056
  5. Step 5: Solve for x
    x = 97,578,821,008,845,056/356,886,033.82
  6. Step 6: Final answer
    x = 273,417,314.67

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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.