Home / 18,571,063,983.27-25,629,144,241.77-13,985,118,762.39

Finding the Fourth Proportional to 18,571,063,983.27, 25,629,144,241.77 and 13,985,118,762.39

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Solution

The fourth proportional to 18,571,063,983.27, 25,629,144,241.77 and 13,985,118,762.39 is: 19,300,274,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571,063,983.27 : 25,629,144,241.77 = 13,985,118,762.39 : x
  2. Step 2: Convert to fraction form
    18,571,063,983.27/25,629,144,241.77 = 13,985,118,762.39/x
  3. Step 3: Cross multiply
    18,571,063,983.27x = 25,629,144,241.77 × 13,985,118,762.39
  4. Step 4: Simplify right side
    18,571,063,983.27x = 358,426,625,999,577,219,072
  5. Step 5: Solve for x
    x = 358,426,625,999,577,219,072/18,571,063,983.27
  6. Step 6: Final answer
    x = 19,300,274,142.75

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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.