Home / 1,177,322,699.75-1,766,257,298.87-400,975,086.51

Finding the Fourth Proportional to 1,177,322,699.75, 1,766,257,298.87 and 400,975,086.51

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Solution

The fourth proportional to 1,177,322,699.75, 1,766,257,298.87 and 400,975,086.51 is: 601,555,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,322,699.75 : 1,766,257,298.87 = 400,975,086.51 : x
  2. Step 2: Convert to fraction form
    1,177,322,699.75/1,766,257,298.87 = 400,975,086.51/x
  3. Step 3: Cross multiply
    1,177,322,699.75x = 1,766,257,298.87 × 400,975,086.51
  4. Step 4: Simplify right side
    1,177,322,699.75x = 708,225,173,211,312,256
  5. Step 5: Solve for x
    x = 708,225,173,211,312,256/1,177,322,699.75
  6. Step 6: Final answer
    x = 601,555,693.58

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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.