Home / 979,851,927.20-1,469,777,890.80-653,334,576.80

Finding the Fourth Proportional to 979,851,927.20, 1,469,777,890.80 and 653,334,576.80

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Solution

The fourth proportional to 979,851,927.20, 1,469,777,890.80 and 653,334,576.80 is: 980,001,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,851,927.20 : 1,469,777,890.80 = 653,334,576.80 : x
  2. Step 2: Convert to fraction form
    979,851,927.20/1,469,777,890.80 = 653,334,576.80/x
  3. Step 3: Cross multiply
    979,851,927.20x = 1,469,777,890.80 × 653,334,576.80
  4. Step 4: Simplify right side
    979,851,927.20x = 960,256,716,275,814,528
  5. Step 5: Solve for x
    x = 960,256,716,275,814,528/979,851,927.20
  6. Step 6: Final answer
    x = 980,001,865.20

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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.