Home / 1,259,713,666.20-1,889,570,499.30-794,809,079.40

Finding the Fourth Proportional to 1,259,713,666.20, 1,889,570,499.30 and 794,809,079.40

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Solution

The fourth proportional to 1,259,713,666.20, 1,889,570,499.30 and 794,809,079.40 is: 1,192,213,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,666.20 : 1,889,570,499.30 = 794,809,079.40 : x
  2. Step 2: Convert to fraction form
    1,259,713,666.20/1,889,570,499.30 = 794,809,079.40/x
  3. Step 3: Cross multiply
    1,259,713,666.20x = 1,889,570,499.30 × 794,809,079.40
  4. Step 4: Simplify right side
    1,259,713,666.20x = 1,501,847,789,010,031,360
  5. Step 5: Solve for x
    x = 1,501,847,789,010,031,360/1,259,713,666.20
  6. Step 6: Final answer
    x = 1,192,213,619.10

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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.