Home / 682,881,917.74-1,024,321,356.51-527,661,429.82

Finding the Fourth Proportional to 682,881,917.74, 1,024,321,356.51 and 527,661,429.82

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Solution

The fourth proportional to 682,881,917.74, 1,024,321,356.51 and 527,661,429.82 is: 791,490,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,881,917.74 : 1,024,321,356.51 = 527,661,429.82 : x
  2. Step 2: Convert to fraction form
    682,881,917.74/1,024,321,356.51 = 527,661,429.82/x
  3. Step 3: Cross multiply
    682,881,917.74x = 1,024,321,356.51 × 527,661,429.82
  4. Step 4: Simplify right side
    682,881,917.74x = 540,494,871,571,228,544
  5. Step 5: Solve for x
    x = 540,494,871,571,228,544/682,881,917.74
  6. Step 6: Final answer
    x = 791,490,970.15

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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.