Home / 384,188,538.46-575,959,875.26-311,224,376.74

Finding the Fourth Proportional to 384,188,538.46, 575,959,875.26 and 311,224,376.74

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Solution

The fourth proportional to 384,188,538.46, 575,959,875.26 and 311,224,376.74 is: 466,574,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,188,538.46 : 575,959,875.26 = 311,224,376.74 : x
  2. Step 2: Convert to fraction form
    384,188,538.46/575,959,875.26 = 311,224,376.74/x
  3. Step 3: Cross multiply
    384,188,538.46x = 575,959,875.26 × 311,224,376.74
  4. Step 4: Simplify right side
    384,188,538.46x = 179,252,753,205,041,632
  5. Step 5: Solve for x
    x = 179,252,753,205,041,632/384,188,538.46
  6. Step 6: Final answer
    x = 466,574,963.23

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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.