Home / 262,476,349.76-393,344,877.90-200,826,831.80

Finding the Fourth Proportional to 262,476,349.76, 393,344,877.90 and 200,826,831.80

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Solution

The fourth proportional to 262,476,349.76, 393,344,877.90 and 200,826,831.80 is: 300,957,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,476,349.76 : 393,344,877.90 = 200,826,831.80 : x
  2. Step 2: Convert to fraction form
    262,476,349.76/393,344,877.90 = 200,826,831.80/x
  3. Step 3: Cross multiply
    262,476,349.76x = 393,344,877.90 × 200,826,831.80
  4. Step 4: Simplify right side
    262,476,349.76x = 78,994,205,635,151,312
  5. Step 5: Solve for x
    x = 78,994,205,635,151,312/262,476,349.76
  6. Step 6: Final answer
    x = 300,957,422.28

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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.