Home / 376,485,361.65-519,562,414.87-209,228,671.04

Finding the Fourth Proportional to 376,485,361.65, 519,562,414.87 and 209,228,671.04

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Solution

The fourth proportional to 376,485,361.65, 519,562,414.87 and 209,228,671.04 is: 288,742,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,485,361.65 : 519,562,414.87 = 209,228,671.04 : x
  2. Step 2: Convert to fraction form
    376,485,361.65/519,562,414.87 = 209,228,671.04/x
  3. Step 3: Cross multiply
    376,485,361.65x = 519,562,414.87 × 209,228,671.04
  4. Step 4: Simplify right side
    376,485,361.65x = 108,707,353,582,462,352
  5. Step 5: Solve for x
    x = 108,707,353,582,462,352/376,485,361.65
  6. Step 6: Final answer
    x = 288,742,577.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.