Home / 925,641,810.49-1,277,422,527.27-507,969,042.70

Finding the Fourth Proportional to 925,641,810.49, 1,277,422,527.27 and 507,969,042.70

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Solution

The fourth proportional to 925,641,810.49, 1,277,422,527.27 and 507,969,042.70 is: 701,017,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,641,810.49 : 1,277,422,527.27 = 507,969,042.70 : x
  2. Step 2: Convert to fraction form
    925,641,810.49/1,277,422,527.27 = 507,969,042.70/x
  3. Step 3: Cross multiply
    925,641,810.49x = 1,277,422,527.27 × 507,969,042.70
  4. Step 4: Simplify right side
    925,641,810.49x = 648,891,098,300,756,480
  5. Step 5: Solve for x
    x = 648,891,098,300,756,480/925,641,810.49
  6. Step 6: Final answer
    x = 701,017,489.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.