Home / 28,810,697,480.70-39,757,908,610.35-15,950,910,584.58

Finding the Fourth Proportional to 28,810,697,480.70, 39,757,908,610.35 and 15,950,910,584.58

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Solution

The fourth proportional to 28,810,697,480.70, 39,757,908,610.35 and 15,950,910,584.58 is: 22,011,783,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810,697,480.70 : 39,757,908,610.35 = 15,950,910,584.58 : x
  2. Step 2: Convert to fraction form
    28,810,697,480.70/39,757,908,610.35 = 15,950,910,584.58/x
  3. Step 3: Cross multiply
    28,810,697,480.70x = 39,757,908,610.35 × 15,950,910,584.58
  4. Step 4: Simplify right side
    28,810,697,480.70x = 634,174,845,273,596,100,608
  5. Step 5: Solve for x
    x = 634,174,845,273,596,100,608/28,810,697,480.70
  6. Step 6: Final answer
    x = 22,011,783,841.69

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1.5x scale

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.