Home / 1,772,990,153.28-2,446,969,469.76-1,020,287,859.84

Finding the Fourth Proportional to 1,772,990,153.28, 2,446,969,469.76 and 1,020,287,859.84

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Solution

The fourth proportional to 1,772,990,153.28, 2,446,969,469.76 and 1,020,287,859.84 is: 1,408,137,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,990,153.28 : 2,446,969,469.76 = 1,020,287,859.84 : x
  2. Step 2: Convert to fraction form
    1,772,990,153.28/2,446,969,469.76 = 1,020,287,859.84/x
  3. Step 3: Cross multiply
    1,772,990,153.28x = 2,446,969,469.76 × 1,020,287,859.84
  4. Step 4: Simplify right side
    1,772,990,153.28x = 2,496,613,243,395,250,176
  5. Step 5: Solve for x
    x = 2,496,613,243,395,250,176/1,772,990,153.28
  6. Step 6: Final answer
    x = 1,408,137,117.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.