Home / 2,021,522,768.40-3,029,895,365.40-856,989,008.40

Finding the Fourth Proportional to 2,021,522,768.40, 3,029,895,365.40 and 856,989,008.40

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Solution

The fourth proportional to 2,021,522,768.40, 3,029,895,365.40 and 856,989,008.40 is: 1,284,470,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,522,768.40 : 3,029,895,365.40 = 856,989,008.40 : x
  2. Step 2: Convert to fraction form
    2,021,522,768.40/3,029,895,365.40 = 856,989,008.40/x
  3. Step 3: Cross multiply
    2,021,522,768.40x = 3,029,895,365.40 × 856,989,008.40
  4. Step 4: Simplify right side
    2,021,522,768.40x = 2,596,587,024,749,901,824
  5. Step 5: Solve for x
    x = 2,596,587,024,749,901,824/2,021,522,768.40
  6. Step 6: Final answer
    x = 1,284,470,828.30

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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.