Home / 644,933,688.13-967,390,810.63-290,157,425.42

Finding the Fourth Proportional to 644,933,688.13, 967,390,810.63 and 290,157,425.42

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Solution

The fourth proportional to 644,933,688.13, 967,390,810.63 and 290,157,425.42 is: 435,231,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,933,688.13 : 967,390,810.63 = 290,157,425.42 : x
  2. Step 2: Convert to fraction form
    644,933,688.13/967,390,810.63 = 290,157,425.42/x
  3. Step 3: Cross multiply
    644,933,688.13x = 967,390,810.63 × 290,157,425.42
  4. Step 4: Simplify right side
    644,933,688.13x = 280,695,626,987,367,584
  5. Step 5: Solve for x
    x = 280,695,626,987,367,584/644,933,688.13
  6. Step 6: Final answer
    x = 435,231,764.37

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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.