Home / 20,847,762,476.22-28,769,930,755.60-11,332,314,225.66

Finding the Fourth Proportional to 20,847,762,476.22, 28,769,930,755.60 and 11,332,314,225.66

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Solution

The fourth proportional to 20,847,762,476.22, 28,769,930,755.60 and 11,332,314,225.66 is: 15,638,603,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,762,476.22 : 28,769,930,755.60 = 11,332,314,225.66 : x
  2. Step 2: Convert to fraction form
    20,847,762,476.22/28,769,930,755.60 = 11,332,314,225.66/x
  3. Step 3: Cross multiply
    20,847,762,476.22x = 28,769,930,755.60 × 11,332,314,225.66
  4. Step 4: Simplify right side
    20,847,762,476.22x = 326,029,895,572,939,014,144
  5. Step 5: Solve for x
    x = 326,029,895,572,939,014,144/20,847,762,476.22
  6. Step 6: Final answer
    x = 15,638,603,708.42

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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.