Home / 990,111,581.05-1,366,364,857.66-544,075,059.73

Finding the Fourth Proportional to 990,111,581.05, 1,366,364,857.66 and 544,075,059.73

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Solution

The fourth proportional to 990,111,581.05, 1,366,364,857.66 and 544,075,059.73 is: 750,829,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,111,581.05 : 1,366,364,857.66 = 544,075,059.73 : x
  2. Step 2: Convert to fraction form
    990,111,581.05/1,366,364,857.66 = 544,075,059.73/x
  3. Step 3: Cross multiply
    990,111,581.05x = 1,366,364,857.66 × 544,075,059.73
  4. Step 4: Simplify right side
    990,111,581.05x = 743,405,041,544,337,536
  5. Step 5: Solve for x
    x = 743,405,041,544,337,536/990,111,581.05
  6. Step 6: Final answer
    x = 750,829,558.78

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Double scale
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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.