Home / 1,137,969,324.10-1,706,103,680.55-620,983,519.30

Finding the Fourth Proportional to 1,137,969,324.10, 1,706,103,680.55 and 620,983,519.30

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Solution

The fourth proportional to 1,137,969,324.10, 1,706,103,680.55 and 620,983,519.30 is: 931,011,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,969,324.10 : 1,706,103,680.55 = 620,983,519.30 : x
  2. Step 2: Convert to fraction form
    1,137,969,324.10/1,706,103,680.55 = 620,983,519.30/x
  3. Step 3: Cross multiply
    1,137,969,324.10x = 1,706,103,680.55 × 620,983,519.30
  4. Step 4: Simplify right side
    1,137,969,324.10x = 1,059,462,267,838,621,824
  5. Step 5: Solve for x
    x = 1,059,462,267,838,621,824/1,137,969,324.10
  6. Step 6: Final answer
    x = 931,011,271.92

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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.