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Finding the Fourth Proportional to 299,570,174.40, 448,599,434.40 and 239,103,998.40

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Solution

The fourth proportional to 299,570,174.40, 448,599,434.40 and 239,103,998.40 is: 358,052,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,570,174.40 : 448,599,434.40 = 239,103,998.40 : x
  2. Step 2: Convert to fraction form
    299,570,174.40/448,599,434.40 = 239,103,998.40/x
  3. Step 3: Cross multiply
    299,570,174.40x = 448,599,434.40 × 239,103,998.40
  4. Step 4: Simplify right side
    299,570,174.40x = 107,261,918,445,018,496
  5. Step 5: Solve for x
    x = 107,261,918,445,018,496/299,570,174.40
  6. Step 6: Final answer
    x = 358,052,728.91

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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.