Home / 728,415,556.20-1,092,623,334.30-651,888,052.20

Finding the Fourth Proportional to 728,415,556.20, 1,092,623,334.30 and 651,888,052.20

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Solution

The fourth proportional to 728,415,556.20, 1,092,623,334.30 and 651,888,052.20 is: 977,832,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,415,556.20 : 1,092,623,334.30 = 651,888,052.20 : x
  2. Step 2: Convert to fraction form
    728,415,556.20/1,092,623,334.30 = 651,888,052.20/x
  3. Step 3: Cross multiply
    728,415,556.20x = 1,092,623,334.30 × 651,888,052.20
  4. Step 4: Simplify right side
    728,415,556.20x = 712,268,097,185,096,448
  5. Step 5: Solve for x
    x = 712,268,097,185,096,448/728,415,556.20
  6. Step 6: Final answer
    x = 977,832,078.30

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Half scale
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Double scale
Find fourth proportional to 728,415,557.20, 1,092,623,335.80 and 651,888,053.20
Similar ratio
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1.5x scale

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.