Home / 8,139,203,285.70-12,208,804,928.55-2,011,964,117.70

Finding the Fourth Proportional to 8,139,203,285.70, 12,208,804,928.55 and 2,011,964,117.70

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Solution

The fourth proportional to 8,139,203,285.70, 12,208,804,928.55 and 2,011,964,117.70 is: 3,017,946,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,203,285.70 : 12,208,804,928.55 = 2,011,964,117.70 : x
  2. Step 2: Convert to fraction form
    8,139,203,285.70/12,208,804,928.55 = 2,011,964,117.70/x
  3. Step 3: Cross multiply
    8,139,203,285.70x = 12,208,804,928.55 × 2,011,964,117.70
  4. Step 4: Simplify right side
    8,139,203,285.70x = 24,563,677,436,241,510,400
  5. Step 5: Solve for x
    x = 24,563,677,436,241,510,400/8,139,203,285.70
  6. Step 6: Final answer
    x = 3,017,946,176.55

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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.