Home / 1,221,203,705,019.10-1,832,642,300,563.60-426,216,861,396.72

Finding the Fourth Proportional to 1,221,203,705,019.10, 1,832,642,300,563.60 and 426,216,861,396.72

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Solution

The fourth proportional to 1,221,203,705,019.10, 1,832,642,300,563.60 and 426,216,861,396.72 is: 639,617,326,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,203,705,019.10 : 1,832,642,300,563.60 = 426,216,861,396.72 : x
  2. Step 2: Convert to fraction form
    1,221,203,705,019.10/1,832,642,300,563.60 = 426,216,861,396.72/x
  3. Step 3: Cross multiply
    1,221,203,705,019.10x = 1,832,642,300,563.60 × 426,216,861,396.72
  4. Step 4: Simplify right side
    1,221,203,705,019.10x = 781,103,049,409,081,922,027,520
  5. Step 5: Solve for x
    x = 781,103,049,409,081,922,027,520/1,221,203,705,019.10
  6. Step 6: Final answer
    x = 639,617,326,903.59

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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.