Home / 402,652,601.72-603,788,074.62-140,245,635.64

Finding the Fourth Proportional to 402,652,601.72, 603,788,074.62 and 140,245,635.64

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Solution

The fourth proportional to 402,652,601.72, 603,788,074.62 and 140,245,635.64 is: 210,301,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,652,601.72 : 603,788,074.62 = 140,245,635.64 : x
  2. Step 2: Convert to fraction form
    402,652,601.72/603,788,074.62 = 140,245,635.64/x
  3. Step 3: Cross multiply
    402,652,601.72x = 603,788,074.62 × 140,245,635.64
  4. Step 4: Simplify right side
    402,652,601.72x = 84,678,642,316,933,648
  5. Step 5: Solve for x
    x = 84,678,642,316,933,648/402,652,601.72
  6. Step 6: Final answer
    x = 210,301,987.26

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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.