Home / 19,008,629,853.30-28,512,803,062.35-5,743,862,493.30

Finding the Fourth Proportional to 19,008,629,853.30, 28,512,803,062.35 and 5,743,862,493.30

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Solution

The fourth proportional to 19,008,629,853.30, 28,512,803,062.35 and 5,743,862,493.30 is: 8,615,750,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,629,853.30 : 28,512,803,062.35 = 5,743,862,493.30 : x
  2. Step 2: Convert to fraction form
    19,008,629,853.30/28,512,803,062.35 = 5,743,862,493.30/x
  3. Step 3: Cross multiply
    19,008,629,853.30x = 28,512,803,062.35 × 5,743,862,493.30
  4. Step 4: Simplify right side
    19,008,629,853.30x = 163,773,620,088,681,529,344
  5. Step 5: Solve for x
    x = 163,773,620,088,681,529,344/19,008,629,853.30
  6. Step 6: Final answer
    x = 8,615,750,916.96

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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.