Home / 430,642,898.46-646,079,301.81-154,322,044.81

Finding the Fourth Proportional to 430,642,898.46, 646,079,301.81 and 154,322,044.81

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Solution

The fourth proportional to 430,642,898.46, 646,079,301.81 and 154,322,044.81 is: 231,524,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,642,898.46 : 646,079,301.81 = 154,322,044.81 : x
  2. Step 2: Convert to fraction form
    430,642,898.46/646,079,301.81 = 154,322,044.81/x
  3. Step 3: Cross multiply
    430,642,898.46x = 646,079,301.81 × 154,322,044.81
  4. Step 4: Simplify right side
    430,642,898.46x = 99,704,278,966,752,096
  5. Step 5: Solve for x
    x = 99,704,278,966,752,096/430,642,898.46
  6. Step 6: Final answer
    x = 231,524,261.34

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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.