Home / 519,453,960.32-716,847,156.38-281,299,555.28

Finding the Fourth Proportional to 519,453,960.32, 716,847,156.38 and 281,299,555.28

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Solution

The fourth proportional to 519,453,960.32, 716,847,156.38 and 281,299,555.28 is: 388,193,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,453,960.32 : 716,847,156.38 = 281,299,555.28 : x
  2. Step 2: Convert to fraction form
    519,453,960.32/716,847,156.38 = 281,299,555.28/x
  3. Step 3: Cross multiply
    519,453,960.32x = 716,847,156.38 × 281,299,555.28
  4. Step 4: Simplify right side
    519,453,960.32x = 201,648,786,293,426,592
  5. Step 5: Solve for x
    x = 201,648,786,293,426,592/519,453,960.32
  6. Step 6: Final answer
    x = 388,193,760.56

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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.