Home / 405,651,695.67-559,812,011.94-229,436,242.88

Finding the Fourth Proportional to 405,651,695.67, 559,812,011.94 and 229,436,242.88

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Solution

The fourth proportional to 405,651,695.67, 559,812,011.94 and 229,436,242.88 is: 316,629,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,651,695.67 : 559,812,011.94 = 229,436,242.88 : x
  2. Step 2: Convert to fraction form
    405,651,695.67/559,812,011.94 = 229,436,242.88/x
  3. Step 3: Cross multiply
    405,651,695.67x = 559,812,011.94 × 229,436,242.88
  4. Step 4: Simplify right side
    405,651,695.67x = 128,441,164,735,808,256
  5. Step 5: Solve for x
    x = 128,441,164,735,808,256/405,651,695.67
  6. Step 6: Final answer
    x = 316,629,182.39

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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.