Home / 380,781,599.40-571,244,088.96-271,335,262.05

Finding the Fourth Proportional to 380,781,599.40, 571,244,088.96 and 271,335,262.05

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Solution

The fourth proportional to 380,781,599.40, 571,244,088.96 and 271,335,262.05 is: 407,053,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,781,599.40 : 571,244,088.96 = 271,335,262.05 : x
  2. Step 2: Convert to fraction form
    380,781,599.40/571,244,088.96 = 271,335,262.05/x
  3. Step 3: Cross multiply
    380,781,599.40x = 571,244,088.96 × 271,335,262.05
  4. Step 4: Simplify right side
    380,781,599.40x = 154,998,664,572,475,136
  5. Step 5: Solve for x
    x = 154,998,664,572,475,136/380,781,599.40
  6. Step 6: Final answer
    x = 407,053,977.44

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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.