Home / 10,911,281,857.90-16,366,922,786.85-9,865,246,537.60

Finding the Fourth Proportional to 10,911,281,857.90, 16,366,922,786.85 and 9,865,246,537.60

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Solution

The fourth proportional to 10,911,281,857.90, 16,366,922,786.85 and 9,865,246,537.60 is: 14,797,869,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,281,857.90 : 16,366,922,786.85 = 9,865,246,537.60 : x
  2. Step 2: Convert to fraction form
    10,911,281,857.90/16,366,922,786.85 = 9,865,246,537.60/x
  3. Step 3: Cross multiply
    10,911,281,857.90x = 16,366,922,786.85 × 9,865,246,537.60
  4. Step 4: Simplify right side
    10,911,281,857.90x = 161,463,728,354,138,521,600
  5. Step 5: Solve for x
    x = 161,463,728,354,138,521,600/10,911,281,857.90
  6. Step 6: Final answer
    x = 14,797,869,806.40

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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.