Home / 354,072,144.90-488,423,405.30-248,382,916.32

Finding the Fourth Proportional to 354,072,144.90, 488,423,405.30 and 248,382,916.32

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Solution

The fourth proportional to 354,072,144.90, 488,423,405.30 and 248,382,916.32 is: 342,630,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,072,144.90 : 488,423,405.30 = 248,382,916.32 : x
  2. Step 2: Convert to fraction form
    354,072,144.90/488,423,405.30 = 248,382,916.32/x
  3. Step 3: Cross multiply
    354,072,144.90x = 488,423,405.30 × 248,382,916.32
  4. Step 4: Simplify right side
    354,072,144.90x = 121,316,029,807,359,344
  5. Step 5: Solve for x
    x = 121,316,029,807,359,344/354,072,144.90
  6. Step 6: Final answer
    x = 342,630,821.30

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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.