Home / 900,330,833.84-1,350,471,056.52-286,951,866.80

Finding the Fourth Proportional to 900,330,833.84, 1,350,471,056.52 and 286,951,866.80

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Solution

The fourth proportional to 900,330,833.84, 1,350,471,056.52 and 286,951,866.80 is: 430,419,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,330,833.84 : 1,350,471,056.52 = 286,951,866.80 : x
  2. Step 2: Convert to fraction form
    900,330,833.84/1,350,471,056.52 = 286,951,866.80/x
  3. Step 3: Cross multiply
    900,330,833.84x = 1,350,471,056.52 × 286,951,866.80
  4. Step 4: Simplify right side
    900,330,833.84x = 387,520,190,727,782,336
  5. Step 5: Solve for x
    x = 387,520,190,727,782,336/900,330,833.84
  6. Step 6: Final answer
    x = 430,419,770.34

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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.