Home / 517,529,573.76-776,536,778.88-255,071,048.88

Finding the Fourth Proportional to 517,529,573.76, 776,536,778.88 and 255,071,048.88

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Solution

The fourth proportional to 517,529,573.76, 776,536,778.88 and 255,071,048.88 is: 382,726,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,529,573.76 : 776,536,778.88 = 255,071,048.88 : x
  2. Step 2: Convert to fraction form
    517,529,573.76/776,536,778.88 = 255,071,048.88/x
  3. Step 3: Cross multiply
    517,529,573.76x = 776,536,778.88 × 255,071,048.88
  4. Step 4: Simplify right side
    517,529,573.76x = 198,072,050,682,818,240
  5. Step 5: Solve for x
    x = 198,072,050,682,818,240/517,529,573.76
  6. Step 6: Final answer
    x = 382,726,052.24

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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.