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Finding the Fourth Proportional to 199,335,428.20, 299,003,142.30 and 199,335,428.20

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Solution

The fourth proportional to 199,335,428.20, 299,003,142.30 and 199,335,428.20 is: 299,003,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,335,428.20 : 299,003,142.30 = 199,335,428.20 : x
  2. Step 2: Convert to fraction form
    199,335,428.20/299,003,142.30 = 199,335,428.20/x
  3. Step 3: Cross multiply
    199,335,428.20x = 299,003,142.30 × 199,335,428.20
  4. Step 4: Simplify right side
    199,335,428.20x = 59,601,919,403,516,032
  5. Step 5: Solve for x
    x = 59,601,919,403,516,032/199,335,428.20
  6. Step 6: Final answer
    x = 299,003,142.30

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1.5x scale

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.