Home / 405,522,041.94-559,631,421.72-229,336,383.96

Finding the Fourth Proportional to 405,522,041.94, 559,631,421.72 and 229,336,383.96

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Solution

The fourth proportional to 405,522,041.94, 559,631,421.72 and 229,336,383.96 is: 316,490,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,522,041.94 : 559,631,421.72 = 229,336,383.96 : x
  2. Step 2: Convert to fraction form
    405,522,041.94/559,631,421.72 = 229,336,383.96/x
  3. Step 3: Cross multiply
    405,522,041.94x = 559,631,421.72 × 229,336,383.96
  4. Step 4: Simplify right side
    405,522,041.94x = 128,343,846,607,658,608
  5. Step 5: Solve for x
    x = 128,343,846,607,658,608/405,522,041.94
  6. Step 6: Final answer
    x = 316,490,432.91

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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.