Home / 519,460,076.56-716,866,509.92-296,437,318.80

Finding the Fourth Proportional to 519,460,076.56, 716,866,509.92 and 296,437,318.80

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Solution

The fourth proportional to 519,460,076.56, 716,866,509.92 and 296,437,318.80 is: 409,090,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,460,076.56 : 716,866,509.92 = 296,437,318.80 : x
  2. Step 2: Convert to fraction form
    519,460,076.56/716,866,509.92 = 296,437,318.80/x
  3. Step 3: Cross multiply
    519,460,076.56x = 716,866,509.92 × 296,437,318.80
  4. Step 4: Simplify right side
    519,460,076.56x = 212,505,986,138,198,400
  5. Step 5: Solve for x
    x = 212,505,986,138,198,400/519,460,076.56
  6. Step 6: Final answer
    x = 409,090,122.08

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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.