Home / 3,163,584,013.60-4,745,376,020.40-2,128,940,557.60

Finding the Fourth Proportional to 3,163,584,013.60, 4,745,376,020.40 and 2,128,940,557.60

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Solution

The fourth proportional to 3,163,584,013.60, 4,745,376,020.40 and 2,128,940,557.60 is: 3,193,410,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,584,013.60 : 4,745,376,020.40 = 2,128,940,557.60 : x
  2. Step 2: Convert to fraction form
    3,163,584,013.60/4,745,376,020.40 = 2,128,940,557.60/x
  3. Step 3: Cross multiply
    3,163,584,013.60x = 4,745,376,020.40 × 2,128,940,557.60
  4. Step 4: Simplify right side
    3,163,584,013.60x = 10,102,623,470,892,044,288
  5. Step 5: Solve for x
    x = 10,102,623,470,892,044,288/3,163,584,013.60
  6. Step 6: Final answer
    x = 3,193,410,836.40

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Double scale
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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.