Home / 9,237,887,999.20-13,856,831,998.80-8,302,677,810.40

Finding the Fourth Proportional to 9,237,887,999.20, 13,856,831,998.80 and 8,302,677,810.40

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Solution

The fourth proportional to 9,237,887,999.20, 13,856,831,998.80 and 8,302,677,810.40 is: 12,454,016,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237,887,999.20 : 13,856,831,998.80 = 8,302,677,810.40 : x
  2. Step 2: Convert to fraction form
    9,237,887,999.20/13,856,831,998.80 = 8,302,677,810.40/x
  3. Step 3: Cross multiply
    9,237,887,999.20x = 13,856,831,998.80 × 8,302,677,810.40
  4. Step 4: Simplify right side
    9,237,887,999.20x = 115,048,811,558,877,429,760
  5. Step 5: Solve for x
    x = 115,048,811,558,877,429,760/9,237,887,999.20
  6. Step 6: Final answer
    x = 12,454,016,715.60

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Double scale
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Similar ratio
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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.