Home / 1,917,249,374.20-2,875,874,061.30-987,440,200.60

Finding the Fourth Proportional to 1,917,249,374.20, 2,875,874,061.30 and 987,440,200.60

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Solution

The fourth proportional to 1,917,249,374.20, 2,875,874,061.30 and 987,440,200.60 is: 1,481,160,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,249,374.20 : 2,875,874,061.30 = 987,440,200.60 : x
  2. Step 2: Convert to fraction form
    1,917,249,374.20/2,875,874,061.30 = 987,440,200.60/x
  3. Step 3: Cross multiply
    1,917,249,374.20x = 2,875,874,061.30 × 987,440,200.60
  4. Step 4: Simplify right side
    1,917,249,374.20x = 2,839,753,659,990,408,704
  5. Step 5: Solve for x
    x = 2,839,753,659,990,408,704/1,917,249,374.20
  6. Step 6: Final answer
    x = 1,481,160,300.90

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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.