Home / 745,298,835.48-1,028,470,422.06-410,770,344.60

Finding the Fourth Proportional to 745,298,835.48, 1,028,470,422.06 and 410,770,344.60

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Solution

The fourth proportional to 745,298,835.48, 1,028,470,422.06 and 410,770,344.60 is: 566,839,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,298,835.48 : 1,028,470,422.06 = 410,770,344.60 : x
  2. Step 2: Convert to fraction form
    745,298,835.48/1,028,470,422.06 = 410,770,344.60/x
  3. Step 3: Cross multiply
    745,298,835.48x = 1,028,470,422.06 × 410,770,344.60
  4. Step 4: Simplify right side
    745,298,835.48x = 422,465,149,680,493,632
  5. Step 5: Solve for x
    x = 422,465,149,680,493,632/745,298,835.48
  6. Step 6: Final answer
    x = 566,839,943.35

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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.