Home / 1,069,848,127.20-1,604,772,190.80-897,661,243.20

Finding the Fourth Proportional to 1,069,848,127.20, 1,604,772,190.80 and 897,661,243.20

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Solution

The fourth proportional to 1,069,848,127.20, 1,604,772,190.80 and 897,661,243.20 is: 1,346,491,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,848,127.20 : 1,604,772,190.80 = 897,661,243.20 : x
  2. Step 2: Convert to fraction form
    1,069,848,127.20/1,604,772,190.80 = 897,661,243.20/x
  3. Step 3: Cross multiply
    1,069,848,127.20x = 1,604,772,190.80 × 897,661,243.20
  4. Step 4: Simplify right side
    1,069,848,127.20x = 1,440,541,799,846,315,520
  5. Step 5: Solve for x
    x = 1,440,541,799,846,315,520/1,069,848,127.20
  6. Step 6: Final answer
    x = 1,346,491,864.80

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Half scale
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Double scale
Find fourth proportional to 1,069,848,128.20, 1,604,772,192.30 and 897,661,244.20
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.