Home / 1,090,147,219.05-1,635,220,828.58-1,005,966,964.65

Finding the Fourth Proportional to 1,090,147,219.05, 1,635,220,828.58 and 1,005,966,964.65

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Solution

The fourth proportional to 1,090,147,219.05, 1,635,220,828.58 and 1,005,966,964.65 is: 1,508,950,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,147,219.05 : 1,635,220,828.58 = 1,005,966,964.65 : x
  2. Step 2: Convert to fraction form
    1,090,147,219.05/1,635,220,828.58 = 1,005,966,964.65/x
  3. Step 3: Cross multiply
    1,090,147,219.05x = 1,635,220,828.58 × 1,005,966,964.65
  4. Step 4: Simplify right side
    1,090,147,219.05x = 1,644,978,133,454,050,816
  5. Step 5: Solve for x
    x = 1,644,978,133,454,050,816/1,090,147,219.05
  6. Step 6: Final answer
    x = 1,508,950,446.98

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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.