Home / 1,608,473,170.12-2,219,872,711.08-973,743,388.72

Finding the Fourth Proportional to 1,608,473,170.12, 2,219,872,711.08 and 973,743,388.72

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Solution

The fourth proportional to 1,608,473,170.12, 2,219,872,711.08 and 973,743,388.72 is: 1,343,874,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,473,170.12 : 2,219,872,711.08 = 973,743,388.72 : x
  2. Step 2: Convert to fraction form
    1,608,473,170.12/2,219,872,711.08 = 973,743,388.72/x
  3. Step 3: Cross multiply
    1,608,473,170.12x = 2,219,872,711.08 × 973,743,388.72
  4. Step 4: Simplify right side
    1,608,473,170.12x = 2,161,586,376,214,092,800
  5. Step 5: Solve for x
    x = 2,161,586,376,214,092,800/1,608,473,170.12
  6. Step 6: Final answer
    x = 1,343,874,685.86

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Double scale
Find fourth proportional to 1,608,473,171.12, 2,219,872,712.46 and 973,743,389.72
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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.