Home / 1,171,857,644.24-1,618,505,713.77-771,759,921.38

Finding the Fourth Proportional to 1,171,857,644.24, 1,618,505,713.77 and 771,759,921.38

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Solution

The fourth proportional to 1,171,857,644.24, 1,618,505,713.77 and 771,759,921.38 is: 1,065,912,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,857,644.24 : 1,618,505,713.77 = 771,759,921.38 : x
  2. Step 2: Convert to fraction form
    1,171,857,644.24/1,618,505,713.77 = 771,759,921.38/x
  3. Step 3: Cross multiply
    1,171,857,644.24x = 1,618,505,713.77 × 771,759,921.38
  4. Step 4: Simplify right side
    1,171,857,644.24x = 1,249,097,842,412,216,064
  5. Step 5: Solve for x
    x = 1,249,097,842,412,216,064/1,171,857,644.24
  6. Step 6: Final answer
    x = 1,065,912,611.96

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1.5x scale

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.