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Finding the Fourth Proportional to 6,367,139,621.80, 9,550,709,432.70 and 6,367,139,621.80

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Solution

The fourth proportional to 6,367,139,621.80, 9,550,709,432.70 and 6,367,139,621.80 is: 9,550,709,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367,139,621.80 : 9,550,709,432.70 = 6,367,139,621.80 : x
  2. Step 2: Convert to fraction form
    6,367,139,621.80/9,550,709,432.70 = 6,367,139,621.80/x
  3. Step 3: Cross multiply
    6,367,139,621.80x = 9,550,709,432.70 × 6,367,139,621.80
  4. Step 4: Simplify right side
    6,367,139,621.80x = 60,810,700,445,243,179,008
  5. Step 5: Solve for x
    x = 60,810,700,445,243,179,008/6,367,139,621.80
  6. Step 6: Final answer
    x = 9,550,709,432.70

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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.