Home / 320,306,332.42-480,286,631.94-145,333,885.69

Finding the Fourth Proportional to 320,306,332.42, 480,286,631.94 and 145,333,885.69

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Solution

The fourth proportional to 320,306,332.42, 480,286,631.94 and 145,333,885.69 is: 217,922,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,306,332.42 : 480,286,631.94 = 145,333,885.69 : x
  2. Step 2: Convert to fraction form
    320,306,332.42/480,286,631.94 = 145,333,885.69/x
  3. Step 3: Cross multiply
    320,306,332.42x = 480,286,631.94 × 145,333,885.69
  4. Step 4: Simplify right side
    320,306,332.42x = 69,801,922,464,803,064
  5. Step 5: Solve for x
    x = 69,801,922,464,803,064/320,306,332.42
  6. Step 6: Final answer
    x = 217,922,393.03

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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.