Home / 1,311,053,360.40-1,966,580,040.60-897,804,838.80

Finding the Fourth Proportional to 1,311,053,360.40, 1,966,580,040.60 and 897,804,838.80

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Solution

The fourth proportional to 1,311,053,360.40, 1,966,580,040.60 and 897,804,838.80 is: 1,346,707,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,053,360.40 : 1,966,580,040.60 = 897,804,838.80 : x
  2. Step 2: Convert to fraction form
    1,311,053,360.40/1,966,580,040.60 = 897,804,838.80/x
  3. Step 3: Cross multiply
    1,311,053,360.40x = 1,966,580,040.60 × 897,804,838.80
  4. Step 4: Simplify right side
    1,311,053,360.40x = 1,765,605,076,338,180,352
  5. Step 5: Solve for x
    x = 1,765,605,076,338,180,352/1,311,053,360.40
  6. Step 6: Final answer
    x = 1,346,707,258.20

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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.