Home / 683,911,315.82-1,025,949,988.90-192,624,586.14

Finding the Fourth Proportional to 683,911,315.82, 1,025,949,988.90 and 192,624,586.14

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Solution

The fourth proportional to 683,911,315.82, 1,025,949,988.90 and 192,624,586.14 is: 288,960,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,911,315.82 : 1,025,949,988.90 = 192,624,586.14 : x
  2. Step 2: Convert to fraction form
    683,911,315.82/1,025,949,988.90 = 192,624,586.14/x
  3. Step 3: Cross multiply
    683,911,315.82x = 1,025,949,988.90 × 192,624,586.14
  4. Step 4: Simplify right side
    683,911,315.82x = 197,623,192,012,200,064
  5. Step 5: Solve for x
    x = 197,623,192,012,200,064/683,911,315.82
  6. Step 6: Final answer
    x = 288,960,260.55

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1.5x scale

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.