Home / 686,376,328,677.64-947,199,488,184.46-377,727,687,702.49

Finding the Fourth Proportional to 686,376,328,677.64, 947,199,488,184.46 and 377,727,687,702.49

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Solution

The fourth proportional to 686,376,328,677.64, 947,199,488,184.46 and 377,727,687,702.49 is: 521,264,294,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,376,328,677.64 : 947,199,488,184.46 = 377,727,687,702.49 : x
  2. Step 2: Convert to fraction form
    686,376,328,677.64/947,199,488,184.46 = 377,727,687,702.49/x
  3. Step 3: Cross multiply
    686,376,328,677.64x = 947,199,488,184.46 × 377,727,687,702.49
  4. Step 4: Simplify right side
    686,376,328,677.64x = 357,783,472,464,898,031,616,000
  5. Step 5: Solve for x
    x = 357,783,472,464,898,031,616,000/686,376,328,677.64
  6. Step 6: Final answer
    x = 521,264,294,114.28

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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.