Home / 712,976,007.99-1,068,709,198.87-239,824,619.37

Finding the Fourth Proportional to 712,976,007.99, 1,068,709,198.87 and 239,824,619.37

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Solution

The fourth proportional to 712,976,007.99, 1,068,709,198.87 and 239,824,619.37 is: 359,483,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,976,007.99 : 1,068,709,198.87 = 239,824,619.37 : x
  2. Step 2: Convert to fraction form
    712,976,007.99/1,068,709,198.87 = 239,824,619.37/x
  3. Step 3: Cross multiply
    712,976,007.99x = 1,068,709,198.87 × 239,824,619.37
  4. Step 4: Simplify right side
    712,976,007.99x = 256,302,776,836,215,392
  5. Step 5: Solve for x
    x = 256,302,776,836,215,392/712,976,007.99
  6. Step 6: Final answer
    x = 359,483,031.64

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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.