Home / 745,034,440.71-1,027,824,467.33-443,450,647.65

Finding the Fourth Proportional to 745,034,440.71, 1,027,824,467.33 and 443,450,647.65

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Solution

The fourth proportional to 745,034,440.71, 1,027,824,467.33 and 443,450,647.65 is: 611,769,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,034,440.71 : 1,027,824,467.33 = 443,450,647.65 : x
  2. Step 2: Convert to fraction form
    745,034,440.71/1,027,824,467.33 = 443,450,647.65/x
  3. Step 3: Cross multiply
    745,034,440.71x = 1,027,824,467.33 × 443,450,647.65
  4. Step 4: Simplify right side
    745,034,440.71x = 455,789,425,709,465,664
  5. Step 5: Solve for x
    x = 455,789,425,709,465,664/745,034,440.71
  6. Step 6: Final answer
    x = 611,769,605.28

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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.