Home / 1,693,195,389.62-2,336,082,484.84-978,470,560.83

Finding the Fourth Proportional to 1,693,195,389.62, 2,336,082,484.84 and 978,470,560.83

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Solution

The fourth proportional to 1,693,195,389.62, 2,336,082,484.84 and 978,470,560.83 is: 1,349,984,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,195,389.62 : 2,336,082,484.84 = 978,470,560.83 : x
  2. Step 2: Convert to fraction form
    1,693,195,389.62/2,336,082,484.84 = 978,470,560.83/x
  3. Step 3: Cross multiply
    1,693,195,389.62x = 2,336,082,484.84 × 978,470,560.83
  4. Step 4: Simplify right side
    1,693,195,389.62x = 2,285,787,939,092,774,400
  5. Step 5: Solve for x
    x = 2,285,787,939,092,774,400/1,693,195,389.62
  6. Step 6: Final answer
    x = 1,349,984,740.75

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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.