Home / 384,277,860.66-530,303,697.92-208,065,975.38

Finding the Fourth Proportional to 384,277,860.66, 530,303,697.92 and 208,065,975.38

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Solution

The fourth proportional to 384,277,860.66, 530,303,697.92 and 208,065,975.38 is: 287,131,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,277,860.66 : 530,303,697.92 = 208,065,975.38 : x
  2. Step 2: Convert to fraction form
    384,277,860.66/530,303,697.92 = 208,065,975.38/x
  3. Step 3: Cross multiply
    384,277,860.66x = 530,303,697.92 × 208,065,975.38
  4. Step 4: Simplify right side
    384,277,860.66x = 110,338,156,155,345,680
  5. Step 5: Solve for x
    x = 110,338,156,155,345,680/384,277,860.66
  6. Step 6: Final answer
    x = 287,131,181.50

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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.