Home / 479,582,429.86-661,839,796.65-293,907,587.86

Finding the Fourth Proportional to 479,582,429.86, 661,839,796.65 and 293,907,587.86

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Solution

The fourth proportional to 479,582,429.86, 661,839,796.65 and 293,907,587.86 is: 405,602,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,582,429.86 : 661,839,796.65 = 293,907,587.86 : x
  2. Step 2: Convert to fraction form
    479,582,429.86/661,839,796.65 = 293,907,587.86/x
  3. Step 3: Cross multiply
    479,582,429.86x = 661,839,796.65 × 293,907,587.86
  4. Step 4: Simplify right side
    479,582,429.86x = 194,519,738,183,154,400
  5. Step 5: Solve for x
    x = 194,519,738,183,154,400/479,582,429.86
  6. Step 6: Final answer
    x = 405,602,303.32

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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.