Home / 686,376,328,676.10-947,199,488,182.38-377,727,687,700.97

Finding the Fourth Proportional to 686,376,328,676.10, 947,199,488,182.38 and 377,727,687,700.97

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Solution

The fourth proportional to 686,376,328,676.10, 947,199,488,182.38 and 377,727,687,700.97 is: 521,264,294,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,376,328,676.10 : 947,199,488,182.38 = 377,727,687,700.97 : x
  2. Step 2: Convert to fraction form
    686,376,328,676.10/947,199,488,182.38 = 377,727,687,700.97/x
  3. Step 3: Cross multiply
    686,376,328,676.10x = 947,199,488,182.38 × 377,727,687,700.97
  4. Step 4: Simplify right side
    686,376,328,676.10x = 357,783,472,462,672,634,576,896
  5. Step 5: Solve for x
    x = 357,783,472,462,672,634,576,896/686,376,328,676.10
  6. Step 6: Final answer
    x = 521,264,294,112.20

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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.