Home / 336,909,816.71-505,364,047.37-316,407,794.82

Finding the Fourth Proportional to 336,909,816.71, 505,364,047.37 and 316,407,794.82

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Solution

The fourth proportional to 336,909,816.71, 505,364,047.37 and 316,407,794.82 is: 474,611,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,909,816.71 : 505,364,047.37 = 316,407,794.82 : x
  2. Step 2: Convert to fraction form
    336,909,816.71/505,364,047.37 = 316,407,794.82/x
  3. Step 3: Cross multiply
    336,909,816.71x = 505,364,047.37 × 316,407,794.82
  4. Step 4: Simplify right side
    336,909,816.71x = 159,901,123,806,919,232
  5. Step 5: Solve for x
    x = 159,901,123,806,919,232/336,909,816.71
  6. Step 6: Final answer
    x = 474,611,055.76

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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.