Home / 757,841,132,673.56-1,045,872,074,156.30-428,129,816,691.28

Finding the Fourth Proportional to 757,841,132,673.56, 1,045,872,074,156.30 and 428,129,816,691.28

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Solution

The fourth proportional to 757,841,132,673.56, 1,045,872,074,156.30 and 428,129,816,691.28 is: 590,848,134,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,841,132,673.56 : 1,045,872,074,156.30 = 428,129,816,691.28 : x
  2. Step 2: Convert to fraction form
    757,841,132,673.56/1,045,872,074,156.30 = 428,129,816,691.28/x
  3. Step 3: Cross multiply
    757,841,132,673.56x = 1,045,872,074,156.30 × 428,129,816,691.28
  4. Step 4: Simplify right side
    757,841,132,673.56x = 447,769,019,391,065,571,983,360
  5. Step 5: Solve for x
    x = 447,769,019,391,065,571,983,360/757,841,132,673.56
  6. Step 6: Final answer
    x = 590,848,134,372.70

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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.