Home / 794,086,807.20-1,191,130,210.80-610,420,797.60

Finding the Fourth Proportional to 794,086,807.20, 1,191,130,210.80 and 610,420,797.60

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Solution

The fourth proportional to 794,086,807.20, 1,191,130,210.80 and 610,420,797.60 is: 915,631,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,086,807.20 : 1,191,130,210.80 = 610,420,797.60 : x
  2. Step 2: Convert to fraction form
    794,086,807.20/1,191,130,210.80 = 610,420,797.60/x
  3. Step 3: Cross multiply
    794,086,807.20x = 1,191,130,210.80 × 610,420,797.60
  4. Step 4: Simplify right side
    794,086,807.20x = 727,090,653,321,992,192
  5. Step 5: Solve for x
    x = 727,090,653,321,992,192/794,086,807.20
  6. Step 6: Final answer
    x = 915,631,196.40

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Double scale
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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.