Home / 898,678,203.40-1,348,017,305.10-381,020,552.20

Finding the Fourth Proportional to 898,678,203.40, 1,348,017,305.10 and 381,020,552.20

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Solution

The fourth proportional to 898,678,203.40, 1,348,017,305.10 and 381,020,552.20 is: 571,530,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,678,203.40 : 1,348,017,305.10 = 381,020,552.20 : x
  2. Step 2: Convert to fraction form
    898,678,203.40/1,348,017,305.10 = 381,020,552.20/x
  3. Step 3: Cross multiply
    898,678,203.40x = 1,348,017,305.10 × 381,020,552.20
  4. Step 4: Simplify right side
    898,678,203.40x = 513,622,297,964,357,824
  5. Step 5: Solve for x
    x = 513,622,297,964,357,824/898,678,203.40
  6. Step 6: Final answer
    x = 571,530,828.30

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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.