Home / 319,575,596.45-441,318,904.35-302,165,339.15

Finding the Fourth Proportional to 319,575,596.45, 441,318,904.35 and 302,165,339.15

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Solution

The fourth proportional to 319,575,596.45, 441,318,904.35 and 302,165,339.15 is: 417,276,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,575,596.45 : 441,318,904.35 = 302,165,339.15 : x
  2. Step 2: Convert to fraction form
    319,575,596.45/441,318,904.35 = 302,165,339.15/x
  3. Step 3: Cross multiply
    319,575,596.45x = 441,318,904.35 × 302,165,339.15
  4. Step 4: Simplify right side
    319,575,596.45x = 133,351,276,404,017,568
  5. Step 5: Solve for x
    x = 133,351,276,404,017,568/319,575,596.45
  6. Step 6: Final answer
    x = 417,276,155.90

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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.