Home / 383,313,986.40-574,970,979.60-124,537,648.80

Finding the Fourth Proportional to 383,313,986.40, 574,970,979.60 and 124,537,648.80

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Solution

The fourth proportional to 383,313,986.40, 574,970,979.60 and 124,537,648.80 is: 186,806,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,313,986.40 : 574,970,979.60 = 124,537,648.80 : x
  2. Step 2: Convert to fraction form
    383,313,986.40/574,970,979.60 = 124,537,648.80/x
  3. Step 3: Cross multiply
    383,313,986.40x = 574,970,979.60 × 124,537,648.80
  4. Step 4: Simplify right side
    383,313,986.40x = 71,605,533,927,616,768
  5. Step 5: Solve for x
    x = 71,605,533,927,616,768/383,313,986.40
  6. Step 6: Final answer
    x = 186,806,473.20

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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.