Home / 2,146,752,129.40-3,220,128,194.10-1,901,864,116.60

Finding the Fourth Proportional to 2,146,752,129.40, 3,220,128,194.10 and 1,901,864,116.60

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Solution

The fourth proportional to 2,146,752,129.40, 3,220,128,194.10 and 1,901,864,116.60 is: 2,852,796,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,752,129.40 : 3,220,128,194.10 = 1,901,864,116.60 : x
  2. Step 2: Convert to fraction form
    2,146,752,129.40/3,220,128,194.10 = 1,901,864,116.60/x
  3. Step 3: Cross multiply
    2,146,752,129.40x = 3,220,128,194.10 × 1,901,864,116.60
  4. Step 4: Simplify right side
    2,146,752,129.40x = 6,124,246,263,210,748,928
  5. Step 5: Solve for x
    x = 6,124,246,263,210,748,928/2,146,752,129.40
  6. Step 6: Final answer
    x = 2,852,796,174.90

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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.