Home / 3,919,492,523.34-5,405,266,460.46-2,860,543,157.58

Finding the Fourth Proportional to 3,919,492,523.34, 5,405,266,460.46 and 2,860,543,157.58

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Solution

The fourth proportional to 3,919,492,523.34, 5,405,266,460.46 and 2,860,543,157.58 is: 3,944,897,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,492,523.34 : 5,405,266,460.46 = 2,860,543,157.58 : x
  2. Step 2: Convert to fraction form
    3,919,492,523.34/5,405,266,460.46 = 2,860,543,157.58/x
  3. Step 3: Cross multiply
    3,919,492,523.34x = 5,405,266,460.46 × 2,860,543,157.58
  4. Step 4: Simplify right side
    3,919,492,523.34x = 15,461,997,988,365,518,848
  5. Step 5: Solve for x
    x = 15,461,997,988,365,518,848/3,919,492,523.34
  6. Step 6: Final answer
    x = 3,944,897,941.84

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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.