Home / 2,099,582,223.72-2,897,511,435.90-1,207,509,555.30

Finding the Fourth Proportional to 2,099,582,223.72, 2,897,511,435.90 and 1,207,509,555.30

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Solution

The fourth proportional to 2,099,582,223.72, 2,897,511,435.90 and 1,207,509,555.30 is: 1,666,413,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,582,223.72 : 2,897,511,435.90 = 1,207,509,555.30 : x
  2. Step 2: Convert to fraction form
    2,099,582,223.72/2,897,511,435.90 = 1,207,509,555.30/x
  3. Step 3: Cross multiply
    2,099,582,223.72x = 2,897,511,435.90 × 1,207,509,555.30
  4. Step 4: Simplify right side
    2,099,582,223.72x = 3,498,772,745,440,273,408
  5. Step 5: Solve for x
    x = 3,498,772,745,440,273,408/2,099,582,223.72
  6. Step 6: Final answer
    x = 1,666,413,777.90

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.