Home / 568,074,126.80-852,111,190.20-292,575,112.40

Finding the Fourth Proportional to 568,074,126.80, 852,111,190.20 and 292,575,112.40

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Solution

The fourth proportional to 568,074,126.80, 852,111,190.20 and 292,575,112.40 is: 438,862,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,074,126.80 : 852,111,190.20 = 292,575,112.40 : x
  2. Step 2: Convert to fraction form
    568,074,126.80/852,111,190.20 = 292,575,112.40/x
  3. Step 3: Cross multiply
    568,074,126.80x = 852,111,190.20 × 292,575,112.40
  4. Step 4: Simplify right side
    568,074,126.80x = 249,306,527,250,062,784
  5. Step 5: Solve for x
    x = 249,306,527,250,062,784/568,074,126.80
  6. Step 6: Final answer
    x = 438,862,668.60

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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.