Home / 563,208,954.80-777,214,485.24-312,311,960.24

Finding the Fourth Proportional to 563,208,954.80, 777,214,485.24 and 312,311,960.24

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Solution

The fourth proportional to 563,208,954.80, 777,214,485.24 and 312,311,960.24 is: 430,982,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,208,954.80 : 777,214,485.24 = 312,311,960.24 : x
  2. Step 2: Convert to fraction form
    563,208,954.80/777,214,485.24 = 312,311,960.24/x
  3. Step 3: Cross multiply
    563,208,954.80x = 777,214,485.24 × 312,311,960.24
  4. Step 4: Simplify right side
    563,208,954.80x = 242,733,379,412,226,944
  5. Step 5: Solve for x
    x = 242,733,379,412,226,944/563,208,954.80
  6. Step 6: Final answer
    x = 430,982,812.58

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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.