Home / 390,749,188.32-585,357,523.11-226,642,175.82

Finding the Fourth Proportional to 390,749,188.32, 585,357,523.11 and 226,642,175.82

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Solution

The fourth proportional to 390,749,188.32, 585,357,523.11 and 226,642,175.82 is: 339,518,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,749,188.32 : 585,357,523.11 = 226,642,175.82 : x
  2. Step 2: Convert to fraction form
    390,749,188.32/585,357,523.11 = 226,642,175.82/x
  3. Step 3: Cross multiply
    390,749,188.32x = 585,357,523.11 × 226,642,175.82
  4. Step 4: Simplify right side
    390,749,188.32x = 132,666,702,670,256,336
  5. Step 5: Solve for x
    x = 132,666,702,670,256,336/390,749,188.32
  6. Step 6: Final answer
    x = 339,518,818.30

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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.