Home / 10,905,858,018.20-16,358,787,027.30-9,558,973,947.80

Finding the Fourth Proportional to 10,905,858,018.20, 16,358,787,027.30 and 9,558,973,947.80

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Solution

The fourth proportional to 10,905,858,018.20, 16,358,787,027.30 and 9,558,973,947.80 is: 14,338,460,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905,858,018.20 : 16,358,787,027.30 = 9,558,973,947.80 : x
  2. Step 2: Convert to fraction form
    10,905,858,018.20/16,358,787,027.30 = 9,558,973,947.80/x
  3. Step 3: Cross multiply
    10,905,858,018.20x = 16,358,787,027.30 × 9,558,973,947.80
  4. Step 4: Simplify right side
    10,905,858,018.20x = 156,373,219,011,569,287,168
  5. Step 5: Solve for x
    x = 156,373,219,011,569,287,168/10,905,858,018.20
  6. Step 6: Final answer
    x = 14,338,460,921.70

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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.