Home / 3,919,492,499.32-5,405,266,427.38-2,860,543,133.56

Finding the Fourth Proportional to 3,919,492,499.32, 5,405,266,427.38 and 2,860,543,133.56

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Solution

The fourth proportional to 3,919,492,499.32, 5,405,266,427.38 and 2,860,543,133.56 is: 3,944,897,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,492,499.32 : 5,405,266,427.38 = 2,860,543,133.56 : x
  2. Step 2: Convert to fraction form
    3,919,492,499.32/5,405,266,427.38 = 2,860,543,133.56/x
  3. Step 3: Cross multiply
    3,919,492,499.32x = 5,405,266,427.38 × 2,860,543,133.56
  4. Step 4: Simplify right side
    3,919,492,499.32x = 15,461,997,763,904,251,904
  5. Step 5: Solve for x
    x = 15,461,997,763,904,251,904/3,919,492,499.32
  6. Step 6: Final answer
    x = 3,944,897,908.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.