Home / 5,119,565,066.59-7,679,347,618.31-1,439,070,421.09

Finding the Fourth Proportional to 5,119,565,066.59, 7,679,347,618.31 and 1,439,070,421.09

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Solution

The fourth proportional to 5,119,565,066.59, 7,679,347,618.31 and 1,439,070,421.09 is: 2,158,605,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,565,066.59 : 7,679,347,618.31 = 1,439,070,421.09 : x
  2. Step 2: Convert to fraction form
    5,119,565,066.59/7,679,347,618.31 = 1,439,070,421.09/x
  3. Step 3: Cross multiply
    5,119,565,066.59x = 7,679,347,618.31 × 1,439,070,421.09
  4. Step 4: Simplify right side
    5,119,565,066.59x = 11,051,122,010,777,860,096
  5. Step 5: Solve for x
    x = 11,051,122,010,777,860,096/5,119,565,066.59
  6. Step 6: Final answer
    x = 2,158,605,636.81

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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.