Home / 405,522,042.94-559,631,423.10-229,336,384.96

Finding the Fourth Proportional to 405,522,042.94, 559,631,423.10 and 229,336,384.96

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Solution

The fourth proportional to 405,522,042.94, 559,631,423.10 and 229,336,384.96 is: 316,490,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,522,042.94 : 559,631,423.10 = 229,336,384.96 : x
  2. Step 2: Convert to fraction form
    405,522,042.94/559,631,423.10 = 229,336,384.96/x
  3. Step 3: Cross multiply
    405,522,042.94x = 559,631,423.10 × 229,336,384.96
  4. Step 4: Simplify right side
    405,522,042.94x = 128,343,847,483,774,240
  5. Step 5: Solve for x
    x = 128,343,847,483,774,240/405,522,042.94
  6. Step 6: Final answer
    x = 316,490,434.29

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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.