Home / 1,027,843,931.94-1,418,426,425.48-557,945,571.20

Finding the Fourth Proportional to 1,027,843,931.94, 1,418,426,425.48 and 557,945,571.20

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Solution

The fourth proportional to 1,027,843,931.94, 1,418,426,425.48 and 557,945,571.20 is: 769,965,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,843,931.94 : 1,418,426,425.48 = 557,945,571.20 : x
  2. Step 2: Convert to fraction form
    1,027,843,931.94/1,418,426,425.48 = 557,945,571.20/x
  3. Step 3: Cross multiply
    1,027,843,931.94x = 1,418,426,425.48 × 557,945,571.20
  4. Step 4: Simplify right side
    1,027,843,931.94x = 791,404,742,169,612,928
  5. Step 5: Solve for x
    x = 791,404,742,169,612,928/1,027,843,931.94
  6. Step 6: Final answer
    x = 769,965,865.03

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Double scale
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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.