Home / 376,542,503.28-519,641,975.16-209,282,099.76

Finding the Fourth Proportional to 376,542,503.28, 519,641,975.16 and 209,282,099.76

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Solution

The fourth proportional to 376,542,503.28, 519,641,975.16 and 209,282,099.76 is: 288,816,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,542,503.28 : 519,641,975.16 = 209,282,099.76 : x
  2. Step 2: Convert to fraction form
    376,542,503.28/519,641,975.16 = 209,282,099.76/x
  3. Step 3: Cross multiply
    376,542,503.28x = 519,641,975.16 × 209,282,099.76
  4. Step 4: Simplify right side
    376,542,503.28x = 108,751,763,684,918,560
  5. Step 5: Solve for x
    x = 108,751,763,684,918,560/376,542,503.28
  6. Step 6: Final answer
    x = 288,816,701.27

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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.