Home / 2,819,431,978.51-3,890,588,354.19-1,630,077,593.74

Finding the Fourth Proportional to 2,819,431,978.51, 3,890,588,354.19 and 1,630,077,593.74

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Solution

The fourth proportional to 2,819,431,978.51, 3,890,588,354.19 and 1,630,077,593.74 is: 2,249,375,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,431,978.51 : 3,890,588,354.19 = 1,630,077,593.74 : x
  2. Step 2: Convert to fraction form
    2,819,431,978.51/3,890,588,354.19 = 1,630,077,593.74/x
  3. Step 3: Cross multiply
    2,819,431,978.51x = 3,890,588,354.19 × 1,630,077,593.74
  4. Step 4: Simplify right side
    2,819,431,978.51x = 6,341,960,902,630,901,760
  5. Step 5: Solve for x
    x = 6,341,960,902,630,901,760/2,819,431,978.51
  6. Step 6: Final answer
    x = 2,249,375,388.72

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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.