Home / 1,392,582,662.60-2,088,430,821.60-459,731,819.64

Finding the Fourth Proportional to 1,392,582,662.60, 2,088,430,821.60 and 459,731,819.64

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Solution

The fourth proportional to 1,392,582,662.60, 2,088,430,821.60 and 459,731,819.64 is: 689,451,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,582,662.60 : 2,088,430,821.60 = 459,731,819.64 : x
  2. Step 2: Convert to fraction form
    1,392,582,662.60/2,088,430,821.60 = 459,731,819.64/x
  3. Step 3: Cross multiply
    1,392,582,662.60x = 2,088,430,821.60 × 459,731,819.64
  4. Step 4: Simplify right side
    1,392,582,662.60x = 960,118,101,806,428,160
  5. Step 5: Solve for x
    x = 960,118,101,806,428,160/1,392,582,662.60
  6. Step 6: Final answer
    x = 689,451,425.46

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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.