Home / 465,218,759,933.16-642,001,889,943.62-251,362,650,005.16

Finding the Fourth Proportional to 465,218,759,933.16, 642,001,889,943.62 and 251,362,650,005.16

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Solution

The fourth proportional to 465,218,759,933.16, 642,001,889,943.62 and 251,362,650,005.16 is: 346,880,457,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,218,759,933.16 : 642,001,889,943.62 = 251,362,650,005.16 : x
  2. Step 2: Convert to fraction form
    465,218,759,933.16/642,001,889,943.62 = 251,362,650,005.16/x
  3. Step 3: Cross multiply
    465,218,759,933.16x = 642,001,889,943.62 × 251,362,650,005.16
  4. Step 4: Simplify right side
    465,218,759,933.16x = 161,375,296,364,549,414,846,464
  5. Step 5: Solve for x
    x = 161,375,296,364,549,414,846,464/465,218,759,933.16
  6. Step 6: Final answer
    x = 346,880,457,674.87

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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.