Home / 298,980,287.20-448,470,430.80-162,931,391.20

Finding the Fourth Proportional to 298,980,287.20, 448,470,430.80 and 162,931,391.20

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Solution

The fourth proportional to 298,980,287.20, 448,470,430.80 and 162,931,391.20 is: 244,397,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,980,287.20 : 448,470,430.80 = 162,931,391.20 : x
  2. Step 2: Convert to fraction form
    298,980,287.20/448,470,430.80 = 162,931,391.20/x
  3. Step 3: Cross multiply
    298,980,287.20x = 448,470,430.80 × 162,931,391.20
  4. Step 4: Simplify right side
    298,980,287.20x = 73,069,911,202,307,328
  5. Step 5: Solve for x
    x = 73,069,911,202,307,328/298,980,287.20
  6. Step 6: Final answer
    x = 244,397,086.80

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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.