Home / 305,531,494,466.28-421,614,464,648.16-168,346,643,695.78

Finding the Fourth Proportional to 305,531,494,466.28, 421,614,464,648.16 and 168,346,643,695.78

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Solution

The fourth proportional to 305,531,494,466.28, 421,614,464,648.16 and 168,346,643,695.78 is: 232,307,900,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,531,494,466.28 : 421,614,464,648.16 = 168,346,643,695.78 : x
  2. Step 2: Convert to fraction form
    305,531,494,466.28/421,614,464,648.16 = 168,346,643,695.78/x
  3. Step 3: Cross multiply
    305,531,494,466.28x = 421,614,464,648.16 × 168,346,643,695.78
  4. Step 4: Simplify right side
    305,531,494,466.28x = 70,977,380,057,110,817,013,760
  5. Step 5: Solve for x
    x = 70,977,380,057,110,817,013,760/305,531,494,466.28
  6. Step 6: Final answer
    x = 232,307,900,634.26

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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.