Home / 20,852,986,431.40-31,279,479,647.10-14,241,010,085.80

Finding the Fourth Proportional to 20,852,986,431.40, 31,279,479,647.10 and 14,241,010,085.80

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Solution

The fourth proportional to 20,852,986,431.40, 31,279,479,647.10 and 14,241,010,085.80 is: 21,361,515,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,986,431.40 : 31,279,479,647.10 = 14,241,010,085.80 : x
  2. Step 2: Convert to fraction form
    20,852,986,431.40/31,279,479,647.10 = 14,241,010,085.80/x
  3. Step 3: Cross multiply
    20,852,986,431.40x = 31,279,479,647.10 × 14,241,010,085.80
  4. Step 4: Simplify right side
    20,852,986,431.40x = 445,451,385,132,926,894,080
  5. Step 5: Solve for x
    x = 445,451,385,132,926,894,080/20,852,986,431.40
  6. Step 6: Final answer
    x = 21,361,515,128.70

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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.