Home / 356,818,880.11-492,370,116.90-198,055,695.60

Finding the Fourth Proportional to 356,818,880.11, 492,370,116.90 and 198,055,695.60

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Solution

The fourth proportional to 356,818,880.11, 492,370,116.90 and 198,055,695.60 is: 273,294,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,818,880.11 : 492,370,116.90 = 198,055,695.60 : x
  2. Step 2: Convert to fraction form
    356,818,880.11/492,370,116.90 = 198,055,695.60/x
  3. Step 3: Cross multiply
    356,818,880.11x = 492,370,116.90 × 198,055,695.60
  4. Step 4: Simplify right side
    356,818,880.11x = 97,516,705,995,282,800
  5. Step 5: Solve for x
    x = 97,516,705,995,282,800/356,818,880.11
  6. Step 6: Final answer
    x = 273,294,692.16

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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.