Home / 465,153,008.40-641,882,228.76-256,297,463.28

Finding the Fourth Proportional to 465,153,008.40, 641,882,228.76 and 256,297,463.28

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Solution

The fourth proportional to 465,153,008.40, 641,882,228.76 and 256,297,463.28 is: 353,674,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,153,008.40 : 641,882,228.76 = 256,297,463.28 : x
  2. Step 2: Convert to fraction form
    465,153,008.40/641,882,228.76 = 256,297,463.28/x
  3. Step 3: Cross multiply
    465,153,008.40x = 641,882,228.76 × 256,297,463.28
  4. Step 4: Simplify right side
    465,153,008.40x = 164,512,786,955,700,672
  5. Step 5: Solve for x
    x = 164,512,786,955,700,672/465,153,008.40
  6. Step 6: Final answer
    x = 353,674,562.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.