Home / 665,331,530.37-918,120,318.39-363,857,303.67

Finding the Fourth Proportional to 665,331,530.37, 918,120,318.39 and 363,857,303.67

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Solution

The fourth proportional to 665,331,530.37, 918,120,318.39 and 363,857,303.67 is: 502,102,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,331,530.37 : 918,120,318.39 = 363,857,303.67 : x
  2. Step 2: Convert to fraction form
    665,331,530.37/918,120,318.39 = 363,857,303.67/x
  3. Step 3: Cross multiply
    665,331,530.37x = 918,120,318.39 × 363,857,303.67
  4. Step 4: Simplify right side
    665,331,530.37x = 334,064,783,494,027,328
  5. Step 5: Solve for x
    x = 334,064,783,494,027,328/665,331,530.37
  6. Step 6: Final answer
    x = 502,102,738.63

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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.