Home / 2,900,580,820.30-4,350,871,230.45-961,632,109.90

Finding the Fourth Proportional to 2,900,580,820.30, 4,350,871,230.45 and 961,632,109.90

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Solution

The fourth proportional to 2,900,580,820.30, 4,350,871,230.45 and 961,632,109.90 is: 1,442,448,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,580,820.30 : 4,350,871,230.45 = 961,632,109.90 : x
  2. Step 2: Convert to fraction form
    2,900,580,820.30/4,350,871,230.45 = 961,632,109.90/x
  3. Step 3: Cross multiply
    2,900,580,820.30x = 4,350,871,230.45 × 961,632,109.90
  4. Step 4: Simplify right side
    2,900,580,820.30x = 4,183,937,481,240,842,240
  5. Step 5: Solve for x
    x = 4,183,937,481,240,842,240/2,900,580,820.30
  6. Step 6: Final answer
    x = 1,442,448,164.85

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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.