Home / 443,962,831.20-665,944,246.80-436,310,080.80

Finding the Fourth Proportional to 443,962,831.20, 665,944,246.80 and 436,310,080.80

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Solution

The fourth proportional to 443,962,831.20, 665,944,246.80 and 436,310,080.80 is: 654,465,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,962,831.20 : 665,944,246.80 = 436,310,080.80 : x
  2. Step 2: Convert to fraction form
    443,962,831.20/665,944,246.80 = 436,310,080.80/x
  3. Step 3: Cross multiply
    443,962,831.20x = 665,944,246.80 × 436,310,080.80
  4. Step 4: Simplify right side
    443,962,831.20x = 290,558,188,129,603,136
  5. Step 5: Solve for x
    x = 290,558,188,129,603,136/443,962,831.20
  6. Step 6: Final answer
    x = 654,465,121.20

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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.