Home / 1,388,932,605.07-2,082,959,841.39-456,101,672.71

Finding the Fourth Proportional to 1,388,932,605.07, 2,082,959,841.39 and 456,101,672.71

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Solution

The fourth proportional to 1,388,932,605.07, 2,082,959,841.39 and 456,101,672.71 is: 684,008,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,932,605.07 : 2,082,959,841.39 = 456,101,672.71 : x
  2. Step 2: Convert to fraction form
    1,388,932,605.07/2,082,959,841.39 = 456,101,672.71/x
  3. Step 3: Cross multiply
    1,388,932,605.07x = 2,082,959,841.39 × 456,101,672.71
  4. Step 4: Simplify right side
    1,388,932,605.07x = 950,041,467,847,836,928
  5. Step 5: Solve for x
    x = 950,041,467,847,836,928/1,388,932,605.07
  6. Step 6: Final answer
    x = 684,008,327.24

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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.