Home / 1,269,280,815.12-1,751,610,900.96-704,766,746.88

Finding the Fourth Proportional to 1,269,280,815.12, 1,751,610,900.96 and 704,766,746.88

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Solution

The fourth proportional to 1,269,280,815.12, 1,751,610,900.96 and 704,766,746.88 is: 972,579,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,280,815.12 : 1,751,610,900.96 = 704,766,746.88 : x
  2. Step 2: Convert to fraction form
    1,269,280,815.12/1,751,610,900.96 = 704,766,746.88/x
  3. Step 3: Cross multiply
    1,269,280,815.12x = 1,751,610,900.96 × 704,766,746.88
  4. Step 4: Simplify right side
    1,269,280,815.12x = 1,234,477,116,469,125,120
  5. Step 5: Solve for x
    x = 1,234,477,116,469,125,120/1,269,280,815.12
  6. Step 6: Final answer
    x = 972,579,985.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.