Home / 424,642,803.21-636,668,076.37-188,163,707.67

Finding the Fourth Proportional to 424,642,803.21, 636,668,076.37 and 188,163,707.67

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Solution

The fourth proportional to 424,642,803.21, 636,668,076.37 and 188,163,707.67 is: 282,114,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,642,803.21 : 636,668,076.37 = 188,163,707.67 : x
  2. Step 2: Convert to fraction form
    424,642,803.21/636,668,076.37 = 188,163,707.67/x
  3. Step 3: Cross multiply
    424,642,803.21x = 636,668,076.37 × 188,163,707.67
  4. Step 4: Simplify right side
    424,642,803.21x = 119,797,825,804,905,904
  5. Step 5: Solve for x
    x = 119,797,825,804,905,904/424,642,803.21
  6. Step 6: Final answer
    x = 282,114,343.87

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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.