Home / 38,779,364,297.43-58,185,844,755.78-20,830,799,668.59

Finding the Fourth Proportional to 38,779,364,297.43, 58,185,844,755.78 and 20,830,799,668.59

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Solution

The fourth proportional to 38,779,364,297.43, 58,185,844,755.78 and 20,830,799,668.59 is: 31,255,222,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779,364,297.43 : 58,185,844,755.78 = 20,830,799,668.59 : x
  2. Step 2: Convert to fraction form
    38,779,364,297.43/58,185,844,755.78 = 20,830,799,668.59/x
  3. Step 3: Cross multiply
    38,779,364,297.43x = 58,185,844,755.78 × 20,830,799,668.59
  4. Step 4: Simplify right side
    38,779,364,297.43x = 1,212,057,675,655,331,184,640
  5. Step 5: Solve for x
    x = 1,212,057,675,655,331,184,640/38,779,364,297.43
  6. Step 6: Final answer
    x = 31,255,222,915.96

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1.5x scale

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.