Home / 2,972,601,192.65-4,458,800,802.78-761,832,614.21

Finding the Fourth Proportional to 2,972,601,192.65, 4,458,800,802.78 and 761,832,614.21

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Solution

The fourth proportional to 2,972,601,192.65, 4,458,800,802.78 and 761,832,614.21 is: 1,142,723,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,601,192.65 : 4,458,800,802.78 = 761,832,614.21 : x
  2. Step 2: Convert to fraction form
    2,972,601,192.65/4,458,800,802.78 = 761,832,614.21/x
  3. Step 3: Cross multiply
    2,972,601,192.65x = 4,458,800,802.78 × 761,832,614.21
  4. Step 4: Simplify right side
    2,972,601,192.65x = 3,396,859,871,801,240,064
  5. Step 5: Solve for x
    x = 3,396,859,871,801,240,064/2,972,601,192.65
  6. Step 6: Final answer
    x = 1,142,723,040.08

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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.