Home / 1,212,485,114.70-1,818,727,672.05-1,090,041,108.30

Finding the Fourth Proportional to 1,212,485,114.70, 1,818,727,672.05 and 1,090,041,108.30

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Solution

The fourth proportional to 1,212,485,114.70, 1,818,727,672.05 and 1,090,041,108.30 is: 1,635,061,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,485,114.70 : 1,818,727,672.05 = 1,090,041,108.30 : x
  2. Step 2: Convert to fraction form
    1,212,485,114.70/1,818,727,672.05 = 1,090,041,108.30/x
  3. Step 3: Cross multiply
    1,212,485,114.70x = 1,818,727,672.05 × 1,090,041,108.30
  4. Step 4: Simplify right side
    1,212,485,114.70x = 1,982,487,927,337,260,800
  5. Step 5: Solve for x
    x = 1,982,487,927,337,260,800/1,212,485,114.70
  6. Step 6: Final answer
    x = 1,635,061,662.45

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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.