Home / 1,914,015,288.60-2,871,022,932.90-459,992,712.60

Finding the Fourth Proportional to 1,914,015,288.60, 2,871,022,932.90 and 459,992,712.60

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Solution

The fourth proportional to 1,914,015,288.60, 2,871,022,932.90 and 459,992,712.60 is: 689,989,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,015,288.60 : 2,871,022,932.90 = 459,992,712.60 : x
  2. Step 2: Convert to fraction form
    1,914,015,288.60/2,871,022,932.90 = 459,992,712.60/x
  3. Step 3: Cross multiply
    1,914,015,288.60x = 2,871,022,932.90 × 459,992,712.60
  4. Step 4: Simplify right side
    1,914,015,288.60x = 1,320,649,626,841,478,912
  5. Step 5: Solve for x
    x = 1,320,649,626,841,478,912/1,914,015,288.60
  6. Step 6: Final answer
    x = 689,989,068.90

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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.