Home / 1,566,147,513.84-2,161,240,401.51-861,299,478.24

Finding the Fourth Proportional to 1,566,147,513.84, 2,161,240,401.51 and 861,299,478.24

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Solution

The fourth proportional to 1,566,147,513.84, 2,161,240,401.51 and 861,299,478.24 is: 1,188,569,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,147,513.84 : 2,161,240,401.51 = 861,299,478.24 : x
  2. Step 2: Convert to fraction form
    1,566,147,513.84/2,161,240,401.51 = 861,299,478.24/x
  3. Step 3: Cross multiply
    1,566,147,513.84x = 2,161,240,401.51 × 861,299,478.24
  4. Step 4: Simplify right side
    1,566,147,513.84x = 1,861,475,230,171,771,392
  5. Step 5: Solve for x
    x = 1,861,475,230,171,771,392/1,566,147,513.84
  6. Step 6: Final answer
    x = 1,188,569,540.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.