Home / 1,324,394,095,727.90-1,986,591,141,363.30-318,238,872,014.28

Finding the Fourth Proportional to 1,324,394,095,727.90, 1,986,591,141,363.30 and 318,238,872,014.28

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Solution

The fourth proportional to 1,324,394,095,727.90, 1,986,591,141,363.30 and 318,238,872,014.28 is: 477,358,307,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,394,095,727.90 : 1,986,591,141,363.30 = 318,238,872,014.28 : x
  2. Step 2: Convert to fraction form
    1,324,394,095,727.90/1,986,591,141,363.30 = 318,238,872,014.28/x
  3. Step 3: Cross multiply
    1,324,394,095,727.90x = 1,986,591,141,363.30 × 318,238,872,014.28
  4. Step 4: Simplify right side
    1,324,394,095,727.90x = 632,210,523,981,017,698,533,376
  5. Step 5: Solve for x
    x = 632,210,523,981,017,698,533,376/1,324,394,095,727.90
  6. Step 6: Final answer
    x = 477,358,307,485.92

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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.