Home / 353,423,640.10-487,728,011.69-194,657,362.46

Finding the Fourth Proportional to 353,423,640.10, 487,728,011.69 and 194,657,362.46

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Solution

The fourth proportional to 353,423,640.10, 487,728,011.69 and 194,657,362.46 is: 268,629,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,423,640.10 : 487,728,011.69 = 194,657,362.46 : x
  2. Step 2: Convert to fraction form
    353,423,640.10/487,728,011.69 = 194,657,362.46/x
  3. Step 3: Cross multiply
    353,423,640.10x = 487,728,011.69 × 194,657,362.46
  4. Step 4: Simplify right side
    353,423,640.10x = 94,939,848,353,435,456
  5. Step 5: Solve for x
    x = 94,939,848,353,435,456/353,423,640.10
  6. Step 6: Final answer
    x = 268,629,026.42

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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.