Home / 1,677,598,239.76-2,517,010,973.72-780,632,808.86

Finding the Fourth Proportional to 1,677,598,239.76, 2,517,010,973.72 and 780,632,808.86

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Solution

The fourth proportional to 1,677,598,239.76, 2,517,010,973.72 and 780,632,808.86 is: 1,171,234,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,598,239.76 : 2,517,010,973.72 = 780,632,808.86 : x
  2. Step 2: Convert to fraction form
    1,677,598,239.76/2,517,010,973.72 = 780,632,808.86/x
  3. Step 3: Cross multiply
    1,677,598,239.76x = 2,517,010,973.72 × 780,632,808.86
  4. Step 4: Simplify right side
    1,677,598,239.76x = 1,964,861,346,346,487,040
  5. Step 5: Solve for x
    x = 1,964,861,346,346,487,040/1,677,598,239.76
  6. Step 6: Final answer
    x = 1,171,234,744.87

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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.