Home / 404,352,000.40-606,528,000.60-398,305,382.80

Finding the Fourth Proportional to 404,352,000.40, 606,528,000.60 and 398,305,382.80

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Solution

The fourth proportional to 404,352,000.40, 606,528,000.60 and 398,305,382.80 is: 597,458,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352,000.40 : 606,528,000.60 = 398,305,382.80 : x
  2. Step 2: Convert to fraction form
    404,352,000.40/606,528,000.60 = 398,305,382.80/x
  3. Step 3: Cross multiply
    404,352,000.40x = 606,528,000.60 × 398,305,382.80
  4. Step 4: Simplify right side
    404,352,000.40x = 241,583,367,457,901,632
  5. Step 5: Solve for x
    x = 241,583,367,457,901,632/404,352,000.40
  6. Step 6: Final answer
    x = 597,458,074.20

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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.