Home / 10,911,281,832.90-16,366,922,749.35-9,865,246,512.60

Finding the Fourth Proportional to 10,911,281,832.90, 16,366,922,749.35 and 9,865,246,512.60

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Solution

The fourth proportional to 10,911,281,832.90, 16,366,922,749.35 and 9,865,246,512.60 is: 14,797,869,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,281,832.90 : 16,366,922,749.35 = 9,865,246,512.60 : x
  2. Step 2: Convert to fraction form
    10,911,281,832.90/16,366,922,749.35 = 9,865,246,512.60/x
  3. Step 3: Cross multiply
    10,911,281,832.90x = 16,366,922,749.35 × 9,865,246,512.60
  4. Step 4: Simplify right side
    10,911,281,832.90x = 161,463,727,575,018,700,800
  5. Step 5: Solve for x
    x = 161,463,727,575,018,700,800/10,911,281,832.90
  6. Step 6: Final answer
    x = 14,797,869,768.90

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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.