Home / 621,363,606,370.89-857,357,414,015.76-346,967,038,884.03

Finding the Fourth Proportional to 621,363,606,370.89, 857,357,414,015.76 and 346,967,038,884.03

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Solution

The fourth proportional to 621,363,606,370.89, 857,357,414,015.76 and 346,967,038,884.03 is: 478,745,069,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,363,606,370.89 : 857,357,414,015.76 = 346,967,038,884.03 : x
  2. Step 2: Convert to fraction form
    621,363,606,370.89/857,357,414,015.76 = 346,967,038,884.03/x
  3. Step 3: Cross multiply
    621,363,606,370.89x = 857,357,414,015.76 × 346,967,038,884.03
  4. Step 4: Simplify right side
    621,363,606,370.89x = 297,474,763,206,317,639,204,864
  5. Step 5: Solve for x
    x = 297,474,763,206,317,639,204,864/621,363,606,370.89
  6. Step 6: Final answer
    x = 478,745,069,965.94

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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.