Home / 613,368,314.90-920,339,782.64-302,306,359.55

Finding the Fourth Proportional to 613,368,314.90, 920,339,782.64 and 302,306,359.55

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Solution

The fourth proportional to 613,368,314.90, 920,339,782.64 and 302,306,359.55 is: 453,601,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,368,314.90 : 920,339,782.64 = 302,306,359.55 : x
  2. Step 2: Convert to fraction form
    613,368,314.90/920,339,782.64 = 302,306,359.55/x
  3. Step 3: Cross multiply
    613,368,314.90x = 920,339,782.64 × 302,306,359.55
  4. Step 4: Simplify right side
    613,368,314.90x = 278,224,569,233,957,120
  5. Step 5: Solve for x
    x = 278,224,569,233,957,120/613,368,314.90
  6. Step 6: Final answer
    x = 453,601,143.84

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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.