Home / 1,276,880,060.20-1,915,320,090.30-694,389,231.40

Finding the Fourth Proportional to 1,276,880,060.20, 1,915,320,090.30 and 694,389,231.40

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Solution

The fourth proportional to 1,276,880,060.20, 1,915,320,090.30 and 694,389,231.40 is: 1,041,583,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,880,060.20 : 1,915,320,090.30 = 694,389,231.40 : x
  2. Step 2: Convert to fraction form
    1,276,880,060.20/1,915,320,090.30 = 694,389,231.40/x
  3. Step 3: Cross multiply
    1,276,880,060.20x = 1,915,320,090.30 × 694,389,231.40
  4. Step 4: Simplify right side
    1,276,880,060.20x = 1,329,977,645,388,395,520
  5. Step 5: Solve for x
    x = 1,329,977,645,388,395,520/1,276,880,060.20
  6. Step 6: Final answer
    x = 1,041,583,847.10

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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.