Home / 990,111,771-1,366,365,119.04-544,075,249.68

Finding the Fourth Proportional to 990,111,771, 1,366,365,119.04 and 544,075,249.68

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Solution

The fourth proportional to 990,111,771, 1,366,365,119.04 and 544,075,249.68 is: 750,829,820.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,111,771 : 1,366,365,119.04 = 544,075,249.68 : x
  2. Step 2: Convert to fraction form
    990,111,771/1,366,365,119.04 = 544,075,249.68/x
  3. Step 3: Cross multiply
    990,111,771x = 1,366,365,119.04 × 544,075,249.68
  4. Step 4: Simplify right side
    990,111,771x = 743,405,443,295,730,816
  5. Step 5: Solve for x
    x = 743,405,443,295,730,816/990,111,771
  6. Step 6: Final answer
    x = 750,829,820.50

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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.