Home / 1,103,834,742.32-1,655,752,114.44-448,632,261.68

Finding the Fourth Proportional to 1,103,834,742.32, 1,655,752,114.44 and 448,632,261.68

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Solution

The fourth proportional to 1,103,834,742.32, 1,655,752,114.44 and 448,632,261.68 is: 672,948,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,834,742.32 : 1,655,752,114.44 = 448,632,261.68 : x
  2. Step 2: Convert to fraction form
    1,103,834,742.32/1,655,752,114.44 = 448,632,261.68/x
  3. Step 3: Cross multiply
    1,103,834,742.32x = 1,655,752,114.44 × 448,632,261.68
  4. Step 4: Simplify right side
    1,103,834,742.32x = 742,823,815,882,659,456
  5. Step 5: Solve for x
    x = 742,823,815,882,659,456/1,103,834,742.32
  6. Step 6: Final answer
    x = 672,948,392.91

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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.