Home / 2,018,215,130.77-3,027,236,448.57-690,361,905.51

Finding the Fourth Proportional to 2,018,215,130.77, 3,027,236,448.57 and 690,361,905.51

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Solution

The fourth proportional to 2,018,215,130.77, 3,027,236,448.57 and 690,361,905.51 is: 1,035,513,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,215,130.77 : 3,027,236,448.57 = 690,361,905.51 : x
  2. Step 2: Convert to fraction form
    2,018,215,130.77/3,027,236,448.57 = 690,361,905.51/x
  3. Step 3: Cross multiply
    2,018,215,130.77x = 3,027,236,448.57 × 690,361,905.51
  4. Step 4: Simplify right side
    2,018,215,130.77x = 2,089,888,723,073,898,240
  5. Step 5: Solve for x
    x = 2,089,888,723,073,898,240/2,018,215,130.77
  6. Step 6: Final answer
    x = 1,035,513,355.94

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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.