Home / 1,088,972,260.60-1,634,096,120.10-398,949,266.20

Finding the Fourth Proportional to 1,088,972,260.60, 1,634,096,120.10 and 398,949,266.20

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Solution

The fourth proportional to 1,088,972,260.60, 1,634,096,120.10 and 398,949,266.20 is: 598,657,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,972,260.60 : 1,634,096,120.10 = 398,949,266.20 : x
  2. Step 2: Convert to fraction form
    1,088,972,260.60/1,634,096,120.10 = 398,949,266.20/x
  3. Step 3: Cross multiply
    1,088,972,260.60x = 1,634,096,120.10 × 398,949,266.20
  4. Step 4: Simplify right side
    1,088,972,260.60x = 651,921,448,014,162,048
  5. Step 5: Solve for x
    x = 651,921,448,014,162,048/1,088,972,260.60
  6. Step 6: Final answer
    x = 598,657,533.90

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Half scale
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Double scale
Find fourth proportional to 1,088,972,261.60, 1,634,096,121.60 and 398,949,267.20
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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.