Home / 3,985,632,580.40-5,978,448,870.60-2,126,014,233.20

Finding the Fourth Proportional to 3,985,632,580.40, 5,978,448,870.60 and 2,126,014,233.20

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Solution

The fourth proportional to 3,985,632,580.40, 5,978,448,870.60 and 2,126,014,233.20 is: 3,189,021,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,632,580.40 : 5,978,448,870.60 = 2,126,014,233.20 : x
  2. Step 2: Convert to fraction form
    3,985,632,580.40/5,978,448,870.60 = 2,126,014,233.20/x
  3. Step 3: Cross multiply
    3,985,632,580.40x = 5,978,448,870.60 × 2,126,014,233.20
  4. Step 4: Simplify right side
    3,985,632,580.40x = 12,710,267,391,354,066,944
  5. Step 5: Solve for x
    x = 12,710,267,391,354,066,944/3,985,632,580.40
  6. Step 6: Final answer
    x = 3,189,021,349.80

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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.