Home / 900,330,832.84-1,350,471,055.02-286,951,865.80

Finding the Fourth Proportional to 900,330,832.84, 1,350,471,055.02 and 286,951,865.80

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Solution

The fourth proportional to 900,330,832.84, 1,350,471,055.02 and 286,951,865.80 is: 430,419,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,330,832.84 : 1,350,471,055.02 = 286,951,865.80 : x
  2. Step 2: Convert to fraction form
    900,330,832.84/1,350,471,055.02 = 286,951,865.80/x
  3. Step 3: Cross multiply
    900,330,832.84x = 1,350,471,055.02 × 286,951,865.80
  4. Step 4: Simplify right side
    900,330,832.84x = 387,520,188,946,883,456
  5. Step 5: Solve for x
    x = 387,520,188,946,883,456/900,330,832.84
  6. Step 6: Final answer
    x = 430,419,768.84

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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.