Home / 965,571,735.21-1,332,961,374.78-647,918,328.62

Finding the Fourth Proportional to 965,571,735.21, 1,332,961,374.78 and 647,918,328.62

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Solution

The fourth proportional to 965,571,735.21, 1,332,961,374.78 and 647,918,328.62 is: 894,444,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,571,735.21 : 1,332,961,374.78 = 647,918,328.62 : x
  2. Step 2: Convert to fraction form
    965,571,735.21/1,332,961,374.78 = 647,918,328.62/x
  3. Step 3: Cross multiply
    965,571,735.21x = 1,332,961,374.78 × 647,918,328.62
  4. Step 4: Simplify right side
    965,571,735.21x = 863,650,106,055,810,176
  5. Step 5: Solve for x
    x = 863,650,106,055,810,176/965,571,735.21
  6. Step 6: Final answer
    x = 894,444,270.23

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1.5x scale

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.