Home / 13,443,795,021.37-18,554,063,970.86-7,651,506,738.61

Finding the Fourth Proportional to 13,443,795,021.37, 18,554,063,970.86 and 7,651,506,738.61

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Solution

The fourth proportional to 13,443,795,021.37, 18,554,063,970.86 and 7,651,506,738.61 is: 10,560,005,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,795,021.37 : 18,554,063,970.86 = 7,651,506,738.61 : x
  2. Step 2: Convert to fraction form
    13,443,795,021.37/18,554,063,970.86 = 7,651,506,738.61/x
  3. Step 3: Cross multiply
    13,443,795,021.37x = 18,554,063,970.86 × 7,651,506,738.61
  4. Step 4: Simplify right side
    13,443,795,021.37x = 141,966,545,501,539,385,344
  5. Step 5: Solve for x
    x = 141,966,545,501,539,385,344/13,443,795,021.37
  6. Step 6: Final answer
    x = 10,560,005,212.51

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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.