Home / 454,480,647.12-681,749,668.98-192,116,275.20

Finding the Fourth Proportional to 454,480,647.12, 681,749,668.98 and 192,116,275.20

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Solution

The fourth proportional to 454,480,647.12, 681,749,668.98 and 192,116,275.20 is: 288,186,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,480,647.12 : 681,749,668.98 = 192,116,275.20 : x
  2. Step 2: Convert to fraction form
    454,480,647.12/681,749,668.98 = 192,116,275.20/x
  3. Step 3: Cross multiply
    454,480,647.12x = 681,749,668.98 × 192,116,275.20
  4. Step 4: Simplify right side
    454,480,647.12x = 130,975,207,023,270,576
  5. Step 5: Solve for x
    x = 130,975,207,023,270,576/454,480,647.12
  6. Step 6: Final answer
    x = 288,186,544.03

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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.