Home / 827,456,679.40-1,241,185,019.10-366,905,972.20

Finding the Fourth Proportional to 827,456,679.40, 1,241,185,019.10 and 366,905,972.20

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Solution

The fourth proportional to 827,456,679.40, 1,241,185,019.10 and 366,905,972.20 is: 550,358,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,456,679.40 : 1,241,185,019.10 = 366,905,972.20 : x
  2. Step 2: Convert to fraction form
    827,456,679.40/1,241,185,019.10 = 366,905,972.20/x
  3. Step 3: Cross multiply
    827,456,679.40x = 1,241,185,019.10 × 366,905,972.20
  4. Step 4: Simplify right side
    827,456,679.40x = 455,398,196,112,961,024
  5. Step 5: Solve for x
    x = 455,398,196,112,961,024/827,456,679.40
  6. Step 6: Final answer
    x = 550,358,958.30

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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.