Home / 1,392,582,670.20-2,088,430,832.98-459,731,827.19

Finding the Fourth Proportional to 1,392,582,670.20, 2,088,430,832.98 and 459,731,827.19

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Solution

The fourth proportional to 1,392,582,670.20, 2,088,430,832.98 and 459,731,827.19 is: 689,451,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,582,670.20 : 2,088,430,832.98 = 459,731,827.19 : x
  2. Step 2: Convert to fraction form
    1,392,582,670.20/2,088,430,832.98 = 459,731,827.19/x
  3. Step 3: Cross multiply
    1,392,582,670.20x = 2,088,430,832.98 × 459,731,827.19
  4. Step 4: Simplify right side
    1,392,582,670.20x = 960,118,122,805,829,120
  5. Step 5: Solve for x
    x = 960,118,122,805,829,120/1,392,582,670.20
  6. Step 6: Final answer
    x = 689,451,436.78

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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.