Home / 442,402,255.66-663,529,396.93-162,225,273.38

Finding the Fourth Proportional to 442,402,255.66, 663,529,396.93 and 162,225,273.38

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Solution

The fourth proportional to 442,402,255.66, 663,529,396.93 and 162,225,273.38 is: 243,310,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,402,255.66 : 663,529,396.93 = 162,225,273.38 : x
  2. Step 2: Convert to fraction form
    442,402,255.66/663,529,396.93 = 162,225,273.38/x
  3. Step 3: Cross multiply
    442,402,255.66x = 663,529,396.93 × 162,225,273.38
  4. Step 4: Simplify right side
    442,402,255.66x = 107,641,237,808,912,576
  5. Step 5: Solve for x
    x = 107,641,237,808,912,576/442,402,255.66
  6. Step 6: Final answer
    x = 243,310,779.80

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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.