Home / 305,531,494,474.14-421,614,464,659.02-168,346,643,703.66

Finding the Fourth Proportional to 305,531,494,474.14, 421,614,464,659.02 and 168,346,643,703.66

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Solution

The fourth proportional to 305,531,494,474.14, 421,614,464,659.02 and 168,346,643,703.66 is: 232,307,900,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,531,494,474.14 : 421,614,464,659.02 = 168,346,643,703.66 : x
  2. Step 2: Convert to fraction form
    305,531,494,474.14/421,614,464,659.02 = 168,346,643,703.66/x
  3. Step 3: Cross multiply
    305,531,494,474.14x = 421,614,464,659.02 × 168,346,643,703.66
  4. Step 4: Simplify right side
    305,531,494,474.14x = 70,977,380,062,261,397,159,936
  5. Step 5: Solve for x
    x = 70,977,380,062,261,397,159,936/305,531,494,474.14
  6. Step 6: Final answer
    x = 232,307,900,645.15

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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.