Home / 508,410,998.10-762,616,497.15-144,858,114.90

Finding the Fourth Proportional to 508,410,998.10, 762,616,497.15 and 144,858,114.90

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Solution

The fourth proportional to 508,410,998.10, 762,616,497.15 and 144,858,114.90 is: 217,287,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,410,998.10 : 762,616,497.15 = 144,858,114.90 : x
  2. Step 2: Convert to fraction form
    508,410,998.10/762,616,497.15 = 144,858,114.90/x
  3. Step 3: Cross multiply
    508,410,998.10x = 762,616,497.15 × 144,858,114.90
  4. Step 4: Simplify right side
    508,410,998.10x = 110,471,188,168,790,224
  5. Step 5: Solve for x
    x = 110,471,188,168,790,224/508,410,998.10
  6. Step 6: Final answer
    x = 217,287,172.35

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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.