Home / 514,945,556.20-772,418,334.30-126,765,303.40

Finding the Fourth Proportional to 514,945,556.20, 772,418,334.30 and 126,765,303.40

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Solution

The fourth proportional to 514,945,556.20, 772,418,334.30 and 126,765,303.40 is: 190,147,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,945,556.20 : 772,418,334.30 = 126,765,303.40 : x
  2. Step 2: Convert to fraction form
    514,945,556.20/772,418,334.30 = 126,765,303.40/x
  3. Step 3: Cross multiply
    514,945,556.20x = 772,418,334.30 × 126,765,303.40
  4. Step 4: Simplify right side
    514,945,556.20x = 97,915,844,499,262,128
  5. Step 5: Solve for x
    x = 97,915,844,499,262,128/514,945,556.20
  6. Step 6: Final answer
    x = 190,147,955.10

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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.