Home / 1,145,493,029.96-1,580,729,411.72-669,227,563.18

Finding the Fourth Proportional to 1,145,493,029.96, 1,580,729,411.72 and 669,227,563.18

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Solution

The fourth proportional to 1,145,493,029.96, 1,580,729,411.72 and 669,227,563.18 is: 923,504,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,493,029.96 : 1,580,729,411.72 = 669,227,563.18 : x
  2. Step 2: Convert to fraction form
    1,145,493,029.96/1,580,729,411.72 = 669,227,563.18/x
  3. Step 3: Cross multiply
    1,145,493,029.96x = 1,580,729,411.72 × 669,227,563.18
  4. Step 4: Simplify right side
    1,145,493,029.96x = 1,057,867,692,256,027,008
  5. Step 5: Solve for x
    x = 1,057,867,692,256,027,008/1,145,493,029.96
  6. Step 6: Final answer
    x = 923,504,259.38

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Half scale
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Double scale
Find fourth proportional to 1,145,493,030.96, 1,580,729,413.10 and 669,227,564.18
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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.