Home / 383,313,987.40-574,970,981.10-124,537,649.80

Finding the Fourth Proportional to 383,313,987.40, 574,970,981.10 and 124,537,649.80

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Solution

The fourth proportional to 383,313,987.40, 574,970,981.10 and 124,537,649.80 is: 186,806,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,313,987.40 : 574,970,981.10 = 124,537,649.80 : x
  2. Step 2: Convert to fraction form
    383,313,987.40/574,970,981.10 = 124,537,649.80/x
  3. Step 3: Cross multiply
    383,313,987.40x = 574,970,981.10 × 124,537,649.80
  4. Step 4: Simplify right side
    383,313,987.40x = 71,605,534,689,394,224
  5. Step 5: Solve for x
    x = 71,605,534,689,394,224/383,313,987.40
  6. Step 6: Final answer
    x = 186,806,474.70

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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.