Home / 2,909,532,743.60-4,364,299,115.40-839,322,042.80

Finding the Fourth Proportional to 2,909,532,743.60, 4,364,299,115.40 and 839,322,042.80

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Solution

The fourth proportional to 2,909,532,743.60, 4,364,299,115.40 and 839,322,042.80 is: 1,258,983,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,532,743.60 : 4,364,299,115.40 = 839,322,042.80 : x
  2. Step 2: Convert to fraction form
    2,909,532,743.60/4,364,299,115.40 = 839,322,042.80/x
  3. Step 3: Cross multiply
    2,909,532,743.60x = 4,364,299,115.40 × 839,322,042.80
  4. Step 4: Simplify right side
    2,909,532,743.60x = 3,663,052,448,927,760,384
  5. Step 5: Solve for x
    x = 3,663,052,448,927,760,384/2,909,532,743.60
  6. Step 6: Final answer
    x = 1,258,983,064.20

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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.