Home / 772,418,333.80-1,158,627,500.70-190,147,954.60

Finding the Fourth Proportional to 772,418,333.80, 1,158,627,500.70 and 190,147,954.60

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Solution

The fourth proportional to 772,418,333.80, 1,158,627,500.70 and 190,147,954.60 is: 285,221,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,418,333.80 : 1,158,627,500.70 = 190,147,954.60 : x
  2. Step 2: Convert to fraction form
    772,418,333.80/1,158,627,500.70 = 190,147,954.60/x
  3. Step 3: Cross multiply
    772,418,333.80x = 1,158,627,500.70 × 190,147,954.60
  4. Step 4: Simplify right side
    772,418,333.80x = 220,310,649,401,415,072
  5. Step 5: Solve for x
    x = 220,310,649,401,415,072/772,418,333.80
  6. Step 6: Final answer
    x = 285,221,931.90

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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.