Home / 1,728,544,851.75-2,592,813,429.87-1,335,642,991.70

Finding the Fourth Proportional to 1,728,544,851.75, 2,592,813,429.87 and 1,335,642,991.70

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Solution

The fourth proportional to 1,728,544,851.75, 2,592,813,429.87 and 1,335,642,991.70 is: 2,003,461,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,544,851.75 : 2,592,813,429.87 = 1,335,642,991.70 : x
  2. Step 2: Convert to fraction form
    1,728,544,851.75/2,592,813,429.87 = 1,335,642,991.70/x
  3. Step 3: Cross multiply
    1,728,544,851.75x = 2,592,813,429.87 × 1,335,642,991.70
  4. Step 4: Simplify right side
    1,728,544,851.75x = 3,463,073,086,391,858,688
  5. Step 5: Solve for x
    x = 3,463,073,086,391,858,688/1,728,544,851.75
  6. Step 6: Final answer
    x = 2,003,461,514.40

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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.