Home / 1,027,640,666.94-1,418,145,524.73-557,741,995.14

Finding the Fourth Proportional to 1,027,640,666.94, 1,418,145,524.73 and 557,741,995.14

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Solution

The fourth proportional to 1,027,640,666.94, 1,418,145,524.73 and 557,741,995.14 is: 769,684,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,640,666.94 : 1,418,145,524.73 = 557,741,995.14 : x
  2. Step 2: Convert to fraction form
    1,027,640,666.94/1,418,145,524.73 = 557,741,995.14/x
  3. Step 3: Cross multiply
    1,027,640,666.94x = 1,418,145,524.73 × 557,741,995.14
  4. Step 4: Simplify right side
    1,027,640,666.94x = 790,959,314,361,772,416
  5. Step 5: Solve for x
    x = 790,959,314,361,772,416/1,027,640,666.94
  6. Step 6: Final answer
    x = 769,684,715.49

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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.