Home / 777,060,419.60-1,165,441,330.20-231,819,741.20

Finding the Fourth Proportional to 777,060,419.60, 1,165,441,330.20 and 231,819,741.20

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Solution

The fourth proportional to 777,060,419.60, 1,165,441,330.20 and 231,819,741.20 is: 347,685,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,060,419.60 : 1,165,441,330.20 = 231,819,741.20 : x
  2. Step 2: Convert to fraction form
    777,060,419.60/1,165,441,330.20 = 231,819,741.20/x
  3. Step 3: Cross multiply
    777,060,419.60x = 1,165,441,330.20 × 231,819,741.20
  4. Step 4: Simplify right side
    777,060,419.60x = 270,172,307,550,747,744
  5. Step 5: Solve for x
    x = 270,172,307,550,747,744/777,060,419.60
  6. Step 6: Final answer
    x = 347,685,071.50

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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.