Home / 682,881,918.74-1,024,321,358.01-527,661,430.82

Finding the Fourth Proportional to 682,881,918.74, 1,024,321,358.01 and 527,661,430.82

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Solution

The fourth proportional to 682,881,918.74, 1,024,321,358.01 and 527,661,430.82 is: 791,490,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,881,918.74 : 1,024,321,358.01 = 527,661,430.82 : x
  2. Step 2: Convert to fraction form
    682,881,918.74/1,024,321,358.01 = 527,661,430.82/x
  3. Step 3: Cross multiply
    682,881,918.74x = 1,024,321,358.01 × 527,661,430.82
  4. Step 4: Simplify right side
    682,881,918.74x = 540,494,873,387,042,048
  5. Step 5: Solve for x
    x = 540,494,873,387,042,048/682,881,918.74
  6. Step 6: Final answer
    x = 791,490,971.65

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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.