Home / 8,481,029,168.40-12,721,543,752.60-3,311,171,120.40

Finding the Fourth Proportional to 8,481,029,168.40, 12,721,543,752.60 and 3,311,171,120.40

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Solution

The fourth proportional to 8,481,029,168.40, 12,721,543,752.60 and 3,311,171,120.40 is: 4,966,756,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481,029,168.40 : 12,721,543,752.60 = 3,311,171,120.40 : x
  2. Step 2: Convert to fraction form
    8,481,029,168.40/12,721,543,752.60 = 3,311,171,120.40/x
  3. Step 3: Cross multiply
    8,481,029,168.40x = 12,721,543,752.60 × 3,311,171,120.40
  4. Step 4: Simplify right side
    8,481,029,168.40x = 42,123,208,280,514,166,784
  5. Step 5: Solve for x
    x = 42,123,208,280,514,166,784/8,481,029,168.40
  6. Step 6: Final answer
    x = 4,966,756,680.60

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Double scale
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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.