Home / 328,965,624.60-493,448,436.90-277,309,559.40

Finding the Fourth Proportional to 328,965,624.60, 493,448,436.90 and 277,309,559.40

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Solution

The fourth proportional to 328,965,624.60, 493,448,436.90 and 277,309,559.40 is: 415,964,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,965,624.60 : 493,448,436.90 = 277,309,559.40 : x
  2. Step 2: Convert to fraction form
    328,965,624.60/493,448,436.90 = 277,309,559.40/x
  3. Step 3: Cross multiply
    328,965,624.60x = 493,448,436.90 × 277,309,559.40
  4. Step 4: Simplify right side
    328,965,624.60x = 136,837,968,623,357,680
  5. Step 5: Solve for x
    x = 136,837,968,623,357,680/328,965,624.60
  6. Step 6: Final answer
    x = 415,964,339.10

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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.