Home / 810,910,238,010.75-1,119,057,236,619.40-440,113,661,665.35

Finding the Fourth Proportional to 810,910,238,010.75, 1,119,057,236,619.40 and 440,113,661,665.35

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Solution

The fourth proportional to 810,910,238,010.75, 1,119,057,236,619.40 and 440,113,661,665.35 is: 607,357,454,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,910,238,010.75 : 1,119,057,236,619.40 = 440,113,661,665.35 : x
  2. Step 2: Convert to fraction form
    810,910,238,010.75/1,119,057,236,619.40 = 440,113,661,665.35/x
  3. Step 3: Cross multiply
    810,910,238,010.75x = 1,119,057,236,619.40 × 440,113,661,665.35
  4. Step 4: Simplify right side
    810,910,238,010.75x = 492,512,378,021,672,059,404,288
  5. Step 5: Solve for x
    x = 492,512,378,021,672,059,404,288/810,910,238,010.75
  6. Step 6: Final answer
    x = 607,357,454,543.75

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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.