Home / 217,085,185,810.20-325,615,994,636.20-65,979,705,983.50

Finding the Fourth Proportional to 217,085,185,810.20, 325,615,994,636.20 and 65,979,705,983.50

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Solution

The fourth proportional to 217,085,185,810.20, 325,615,994,636.20 and 65,979,705,983.50 is: 98,965,977,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,085,185,810.20 : 325,615,994,636.20 = 65,979,705,983.50 : x
  2. Step 2: Convert to fraction form
    217,085,185,810.20/325,615,994,636.20 = 65,979,705,983.50/x
  3. Step 3: Cross multiply
    217,085,185,810.20x = 325,615,994,636.20 × 65,979,705,983.50
  4. Step 4: Simplify right side
    217,085,185,810.20x = 21,484,047,589,620,737,638,400
  5. Step 5: Solve for x
    x = 21,484,047,589,620,737,638,400/217,085,185,810.20
  6. Step 6: Final answer
    x = 98,965,977,385.51

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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.