Home / 3,158,698,148,720.40-4,734,740,338,910.20-1,321,889,219,553.40

Finding the Fourth Proportional to 3,158,698,148,720.40, 4,734,740,338,910.20 and 1,321,889,219,553.40

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Solution

The fourth proportional to 3,158,698,148,720.40, 4,734,740,338,910.20 and 1,321,889,219,553.40 is: 1,981,449,925,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,698,148,720.40 : 4,734,740,338,910.20 = 1,321,889,219,553.40 : x
  2. Step 2: Convert to fraction form
    3,158,698,148,720.40/4,734,740,338,910.20 = 1,321,889,219,553.40/x
  3. Step 3: Cross multiply
    3,158,698,148,720.40x = 4,734,740,338,910.20 × 1,321,889,219,553.40
  4. Step 4: Simplify right side
    3,158,698,148,720.40x = 6,258,802,211,390,005,140,520,960
  5. Step 5: Solve for x
    x = 6,258,802,211,390,005,140,520,960/3,158,698,148,720.40
  6. Step 6: Final answer
    x = 1,981,449,925,478.15

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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.