Home / 382,507,500.42-527,857,913.97-217,495,084.50

Finding the Fourth Proportional to 382,507,500.42, 527,857,913.97 and 217,495,084.50

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Solution

The fourth proportional to 382,507,500.42, 527,857,913.97 and 217,495,084.50 is: 300,141,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,507,500.42 : 527,857,913.97 = 217,495,084.50 : x
  2. Step 2: Convert to fraction form
    382,507,500.42/527,857,913.97 = 217,495,084.50/x
  3. Step 3: Cross multiply
    382,507,500.42x = 527,857,913.97 × 217,495,084.50
  4. Step 4: Simplify right side
    382,507,500.42x = 114,806,501,602,898,880
  5. Step 5: Solve for x
    x = 114,806,501,602,898,880/382,507,500.42
  6. Step 6: Final answer
    x = 300,141,831.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.