Home / 1,813,432,001.40-2,720,148,002.10-664,425,358.20

Finding the Fourth Proportional to 1,813,432,001.40, 2,720,148,002.10 and 664,425,358.20

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Solution

The fourth proportional to 1,813,432,001.40, 2,720,148,002.10 and 664,425,358.20 is: 996,638,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,432,001.40 : 2,720,148,002.10 = 664,425,358.20 : x
  2. Step 2: Convert to fraction form
    1,813,432,001.40/2,720,148,002.10 = 664,425,358.20/x
  3. Step 3: Cross multiply
    1,813,432,001.40x = 2,720,148,002.10 × 664,425,358.20
  4. Step 4: Simplify right side
    1,813,432,001.40x = 1,807,335,310,652,306,944
  5. Step 5: Solve for x
    x = 1,807,335,310,652,306,944/1,813,432,001.40
  6. Step 6: Final answer
    x = 996,638,037.30

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Half scale
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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.