Home / 1,120,749,955.20-1,676,589,969.60-984,701,059.20

Finding the Fourth Proportional to 1,120,749,955.20, 1,676,589,969.60 and 984,701,059.20

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Solution

The fourth proportional to 1,120,749,955.20, 1,676,589,969.60 and 984,701,059.20 is: 1,473,067,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,749,955.20 : 1,676,589,969.60 = 984,701,059.20 : x
  2. Step 2: Convert to fraction form
    1,120,749,955.20/1,676,589,969.60 = 984,701,059.20/x
  3. Step 3: Cross multiply
    1,120,749,955.20x = 1,676,589,969.60 × 984,701,059.20
  4. Step 4: Simplify right side
    1,120,749,955.20x = 1,650,939,918,909,215,744
  5. Step 5: Solve for x
    x = 1,650,939,918,909,215,744/1,120,749,955.20
  6. Step 6: Final answer
    x = 1,473,067,129.07

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Double scale
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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.