Home / 1,109,523,769.16-1,530,405,372.62-713,547,670.55

Finding the Fourth Proportional to 1,109,523,769.16, 1,530,405,372.62 and 713,547,670.55

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Solution

The fourth proportional to 1,109,523,769.16, 1,530,405,372.62 and 713,547,670.55 is: 984,221,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,523,769.16 : 1,530,405,372.62 = 713,547,670.55 : x
  2. Step 2: Convert to fraction form
    1,109,523,769.16/1,530,405,372.62 = 713,547,670.55/x
  3. Step 3: Cross multiply
    1,109,523,769.16x = 1,530,405,372.62 × 713,547,670.55
  4. Step 4: Simplify right side
    1,109,523,769.16x = 1,092,017,188,624,337,536
  5. Step 5: Solve for x
    x = 1,092,017,188,624,337,536/1,109,523,769.16
  6. Step 6: Final answer
    x = 984,221,536.29

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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.