Home / 393,246,504.86-589,803,991.41-144,200,298.56

Finding the Fourth Proportional to 393,246,504.86, 589,803,991.41 and 144,200,298.56

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Solution

The fourth proportional to 393,246,504.86, 589,803,991.41 and 144,200,298.56 is: 216,276,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,246,504.86 : 589,803,991.41 = 144,200,298.56 : x
  2. Step 2: Convert to fraction form
    393,246,504.86/589,803,991.41 = 144,200,298.56/x
  3. Step 3: Cross multiply
    393,246,504.86x = 589,803,991.41 × 144,200,298.56
  4. Step 4: Simplify right side
    393,246,504.86x = 85,049,911,653,201,664
  5. Step 5: Solve for x
    x = 85,049,911,653,201,664/393,246,504.86
  6. Step 6: Final answer
    x = 216,276,332.03

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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.