Home / 10,911,281,861.40-16,366,922,792.10-9,865,246,541.10

Finding the Fourth Proportional to 10,911,281,861.40, 16,366,922,792.10 and 9,865,246,541.10

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Solution

The fourth proportional to 10,911,281,861.40, 16,366,922,792.10 and 9,865,246,541.10 is: 14,797,869,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,281,861.40 : 16,366,922,792.10 = 9,865,246,541.10 : x
  2. Step 2: Convert to fraction form
    10,911,281,861.40/16,366,922,792.10 = 9,865,246,541.10/x
  3. Step 3: Cross multiply
    10,911,281,861.40x = 16,366,922,792.10 × 9,865,246,541.10
  4. Step 4: Simplify right side
    10,911,281,861.40x = 161,463,728,463,215,296,512
  5. Step 5: Solve for x
    x = 161,463,728,463,215,296,512/10,911,281,861.40
  6. Step 6: Final answer
    x = 14,797,869,811.65

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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.