Home / 1,679,565,557.67-2,519,254,169.43-515,030,851.79

Finding the Fourth Proportional to 1,679,565,557.67, 2,519,254,169.43 and 515,030,851.79

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Solution

The fourth proportional to 1,679,565,557.67, 2,519,254,169.43 and 515,030,851.79 is: 772,517,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,565,557.67 : 2,519,254,169.43 = 515,030,851.79 : x
  2. Step 2: Convert to fraction form
    1,679,565,557.67/2,519,254,169.43 = 515,030,851.79/x
  3. Step 3: Cross multiply
    1,679,565,557.67x = 2,519,254,169.43 × 515,030,851.79
  4. Step 4: Simplify right side
    1,679,565,557.67x = 1,297,493,620,757,041,920
  5. Step 5: Solve for x
    x = 1,297,493,620,757,041,920/1,679,565,557.67
  6. Step 6: Final answer
    x = 772,517,401.80

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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.