Home / 655,825,463.34-905,014,403.46-358,465,196.94

Finding the Fourth Proportional to 655,825,463.34, 905,014,403.46 and 358,465,196.94

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Solution

The fourth proportional to 655,825,463.34, 905,014,403.46 and 358,465,196.94 is: 494,668,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,825,463.34 : 905,014,403.46 = 358,465,196.94 : x
  2. Step 2: Convert to fraction form
    655,825,463.34/905,014,403.46 = 358,465,196.94/x
  3. Step 3: Cross multiply
    655,825,463.34x = 905,014,403.46 × 358,465,196.94
  4. Step 4: Simplify right side
    655,825,463.34x = 324,416,166,369,825,536
  5. Step 5: Solve for x
    x = 324,416,166,369,825,536/655,825,463.34
  6. Step 6: Final answer
    x = 494,668,451.45

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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.