Home / 694,117,912.77-957,900,343.95-380,852,043.72

Finding the Fourth Proportional to 694,117,912.77, 957,900,343.95 and 380,852,043.72

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Solution

The fourth proportional to 694,117,912.77, 957,900,343.95 and 380,852,043.72 is: 525,585,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,117,912.77 : 957,900,343.95 = 380,852,043.72 : x
  2. Step 2: Convert to fraction form
    694,117,912.77/957,900,343.95 = 380,852,043.72/x
  3. Step 3: Cross multiply
    694,117,912.77x = 957,900,343.95 × 380,852,043.72
  4. Step 4: Simplify right side
    694,117,912.77x = 364,818,303,673,448,512
  5. Step 5: Solve for x
    x = 364,818,303,673,448,512/694,117,912.77
  6. Step 6: Final answer
    x = 525,585,490.54

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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.