Home / 852,941,086.50-1,279,411,629.75-206,708,830.50

Finding the Fourth Proportional to 852,941,086.50, 1,279,411,629.75 and 206,708,830.50

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Solution

The fourth proportional to 852,941,086.50, 1,279,411,629.75 and 206,708,830.50 is: 310,063,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,941,086.50 : 1,279,411,629.75 = 206,708,830.50 : x
  2. Step 2: Convert to fraction form
    852,941,086.50/1,279,411,629.75 = 206,708,830.50/x
  3. Step 3: Cross multiply
    852,941,086.50x = 1,279,411,629.75 × 206,708,830.50
  4. Step 4: Simplify right side
    852,941,086.50x = 264,465,681,713,721,504
  5. Step 5: Solve for x
    x = 264,465,681,713,721,504/852,941,086.50
  6. Step 6: Final answer
    x = 310,063,245.75

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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.