Home / 1,236,889,707.19-1,856,219,742.20-449,941,838.91

Finding the Fourth Proportional to 1,236,889,707.19, 1,856,219,742.20 and 449,941,838.91

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Solution

The fourth proportional to 1,236,889,707.19, 1,856,219,742.20 and 449,941,838.91 is: 675,234,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,889,707.19 : 1,856,219,742.20 = 449,941,838.91 : x
  2. Step 2: Convert to fraction form
    1,236,889,707.19/1,856,219,742.20 = 449,941,838.91/x
  3. Step 3: Cross multiply
    1,236,889,707.19x = 1,856,219,742.20 × 449,941,838.91
  4. Step 4: Simplify right side
    1,236,889,707.19x = 835,190,924,226,514,176
  5. Step 5: Solve for x
    x = 835,190,924,226,514,176/1,236,889,707.19
  6. Step 6: Final answer
    x = 675,234,759.71

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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.