Home / 5,103,021,603.70-7,648,485,787.95-2,155,295,523.70

Finding the Fourth Proportional to 5,103,021,603.70, 7,648,485,787.95 and 2,155,295,523.70

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Solution

The fourth proportional to 5,103,021,603.70, 7,648,485,787.95 and 2,155,295,523.70 is: 3,230,389,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,021,603.70 : 7,648,485,787.95 = 2,155,295,523.70 : x
  2. Step 2: Convert to fraction form
    5,103,021,603.70/7,648,485,787.95 = 2,155,295,523.70/x
  3. Step 3: Cross multiply
    5,103,021,603.70x = 7,648,485,787.95 × 2,155,295,523.70
  4. Step 4: Simplify right side
    5,103,021,603.70x = 16,484,747,181,851,701,248
  5. Step 5: Solve for x
    x = 16,484,747,181,851,701,248/5,103,021,603.70
  6. Step 6: Final answer
    x = 3,230,389,455.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.