Home / 336,909,817.40-505,364,048.39-316,407,795.50

Finding the Fourth Proportional to 336,909,817.40, 505,364,048.39 and 316,407,795.50

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Solution

The fourth proportional to 336,909,817.40, 505,364,048.39 and 316,407,795.50 is: 474,611,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,909,817.40 : 505,364,048.39 = 316,407,795.50 : x
  2. Step 2: Convert to fraction form
    336,909,817.40/505,364,048.39 = 316,407,795.50/x
  3. Step 3: Cross multiply
    336,909,817.40x = 505,364,048.39 × 316,407,795.50
  4. Step 4: Simplify right side
    336,909,817.40x = 159,901,124,474,299,424
  5. Step 5: Solve for x
    x = 159,901,124,474,299,424/336,909,817.40
  6. Step 6: Final answer
    x = 474,611,056.78

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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.