Home / 767,832,652,939.75-1,059,626,182,603.70-438,229,079,687.42

Finding the Fourth Proportional to 767,832,652,939.75, 1,059,626,182,603.70 and 438,229,079,687.42

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Solution

The fourth proportional to 767,832,652,939.75, 1,059,626,182,603.70 and 438,229,079,687.42 is: 604,765,901,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,832,652,939.75 : 1,059,626,182,603.70 = 438,229,079,687.42 : x
  2. Step 2: Convert to fraction form
    767,832,652,939.75/1,059,626,182,603.70 = 438,229,079,687.42/x
  3. Step 3: Cross multiply
    767,832,652,939.75x = 1,059,626,182,603.70 × 438,229,079,687.42
  4. Step 4: Simplify right side
    767,832,652,939.75x = 464,359,006,815,113,457,958,912
  5. Step 5: Solve for x
    x = 464,359,006,815,113,457,958,912/767,832,652,939.75
  6. Step 6: Final answer
    x = 604,765,901,837.14

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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.