Home / 427,723,460,999.80-641,585,191,499.70-427,723,460,999.80

Finding the Fourth Proportional to 427,723,460,999.80, 641,585,191,499.70 and 427,723,460,999.80

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Solution

The fourth proportional to 427,723,460,999.80, 641,585,191,499.70 and 427,723,460,999.80 is: 641,585,191,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,723,460,999.80 : 641,585,191,499.70 = 427,723,460,999.80 : x
  2. Step 2: Convert to fraction form
    427,723,460,999.80/641,585,191,499.70 = 427,723,460,999.80/x
  3. Step 3: Cross multiply
    427,723,460,999.80x = 641,585,191,499.70 × 427,723,460,999.80
  4. Step 4: Simplify right side
    427,723,460,999.80x = 274,421,038,634,471,121,747,968
  5. Step 5: Solve for x
    x = 274,421,038,634,471,121,747,968/427,723,460,999.80
  6. Step 6: Final answer
    x = 641,585,191,499.70

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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.