Home / 769,559,419.88-1,061,963,548.22-417,127,843.79

Finding the Fourth Proportional to 769,559,419.88, 1,061,963,548.22 and 417,127,843.79

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Solution

The fourth proportional to 769,559,419.88, 1,061,963,548.22 and 417,127,843.79 is: 575,621,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,419.88 : 1,061,963,548.22 = 417,127,843.79 : x
  2. Step 2: Convert to fraction form
    769,559,419.88/1,061,963,548.22 = 417,127,843.79/x
  3. Step 3: Cross multiply
    769,559,419.88x = 1,061,963,548.22 × 417,127,843.79
  4. Step 4: Simplify right side
    769,559,419.88x = 442,974,565,045,190,848
  5. Step 5: Solve for x
    x = 442,974,565,045,190,848/769,559,419.88
  6. Step 6: Final answer
    x = 575,621,002.88

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Double scale
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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.