Home / 203,718,831,478.71-281,123,802,446.29-111,017,717,466.21

Finding the Fourth Proportional to 203,718,831,478.71, 281,123,802,446.29 and 111,017,717,466.21

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Solution

The fourth proportional to 203,718,831,478.71, 281,123,802,446.29 and 111,017,717,466.21 is: 153,199,989,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,718,831,478.71 : 281,123,802,446.29 = 111,017,717,466.21 : x
  2. Step 2: Convert to fraction form
    203,718,831,478.71/281,123,802,446.29 = 111,017,717,466.21/x
  3. Step 3: Cross multiply
    203,718,831,478.71x = 281,123,802,446.29 × 111,017,717,466.21
  4. Step 4: Simplify right side
    203,718,831,478.71x = 31,209,722,873,008,858,595,328
  5. Step 5: Solve for x
    x = 31,209,722,873,008,858,595,328/203,718,831,478.71
  6. Step 6: Final answer
    x = 153,199,989,644.90

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1.5x scale

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.