Home / 28,690,931,015.28-39,594,469,348.44-16,647,032,358

Finding the Fourth Proportional to 28,690,931,015.28, 39,594,469,348.44 and 16,647,032,358

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Solution

The fourth proportional to 28,690,931,015.28, 39,594,469,348.44 and 16,647,032,358 is: 22,973,475,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690,931,015.28 : 39,594,469,348.44 = 16,647,032,358 : x
  2. Step 2: Convert to fraction form
    28,690,931,015.28/39,594,469,348.44 = 16,647,032,358/x
  3. Step 3: Cross multiply
    28,690,931,015.28x = 39,594,469,348.44 × 16,647,032,358
  4. Step 4: Simplify right side
    28,690,931,015.28x = 659,130,412,441,319,899,136
  5. Step 5: Solve for x
    x = 659,130,412,441,319,899,136/28,690,931,015.28
  6. Step 6: Final answer
    x = 22,973,475,907.43

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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.