Home / 686,376,328,677-947,199,488,183.59-377,727,687,701.85

Finding the Fourth Proportional to 686,376,328,677, 947,199,488,183.59 and 377,727,687,701.85

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Solution

The fourth proportional to 686,376,328,677, 947,199,488,183.59 and 377,727,687,701.85 is: 521,264,294,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,376,328,677 : 947,199,488,183.59 = 377,727,687,701.85 : x
  2. Step 2: Convert to fraction form
    686,376,328,677/947,199,488,183.59 = 377,727,687,701.85/x
  3. Step 3: Cross multiply
    686,376,328,677x = 947,199,488,183.59 × 377,727,687,701.85
  4. Step 4: Simplify right side
    686,376,328,677x = 357,783,472,463,963,205,140,480
  5. Step 5: Solve for x
    x = 357,783,472,463,963,205,140,480/686,376,328,677
  6. Step 6: Final answer
    x = 521,264,294,113.40

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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.