Home / 379,065,476.16-523,077,890.94-218,134,672.92

Finding the Fourth Proportional to 379,065,476.16, 523,077,890.94 and 218,134,672.92

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Solution

The fourth proportional to 379,065,476.16, 523,077,890.94 and 218,134,672.92 is: 301,007,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,065,476.16 : 523,077,890.94 = 218,134,672.92 : x
  2. Step 2: Convert to fraction form
    379,065,476.16/523,077,890.94 = 218,134,672.92/x
  3. Step 3: Cross multiply
    379,065,476.16x = 523,077,890.94 × 218,134,672.92
  4. Step 4: Simplify right side
    379,065,476.16x = 114,101,424,651,880,320
  5. Step 5: Solve for x
    x = 114,101,424,651,880,320/379,065,476.16
  6. Step 6: Final answer
    x = 301,007,165.85

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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.