Home / 1,813,432,835.90-2,720,149,253.85-664,426,192.70

Finding the Fourth Proportional to 1,813,432,835.90, 2,720,149,253.85 and 664,426,192.70

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Solution

The fourth proportional to 1,813,432,835.90, 2,720,149,253.85 and 664,426,192.70 is: 996,639,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,432,835.90 : 2,720,149,253.85 = 664,426,192.70 : x
  2. Step 2: Convert to fraction form
    1,813,432,835.90/2,720,149,253.85 = 664,426,192.70/x
  3. Step 3: Cross multiply
    1,813,432,835.90x = 2,720,149,253.85 × 664,426,192.70
  4. Step 4: Simplify right side
    1,813,432,835.90x = 1,807,338,412,311,301,376
  5. Step 5: Solve for x
    x = 1,807,338,412,311,301,376/1,813,432,835.90
  6. Step 6: Final answer
    x = 996,639,289.05

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Double scale
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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.