Home / 621,363,606,363.27-857,357,414,005.24-346,967,038,876.48

Finding the Fourth Proportional to 621,363,606,363.27, 857,357,414,005.24 and 346,967,038,876.48

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Solution

The fourth proportional to 621,363,606,363.27, 857,357,414,005.24 and 346,967,038,876.48 is: 478,745,069,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,363,606,363.27 : 857,357,414,005.24 = 346,967,038,876.48 : x
  2. Step 2: Convert to fraction form
    621,363,606,363.27/857,357,414,005.24 = 346,967,038,876.48/x
  3. Step 3: Cross multiply
    621,363,606,363.27x = 857,357,414,005.24 × 346,967,038,876.48
  4. Step 4: Simplify right side
    621,363,606,363.27x = 297,474,763,196,194,434,842,624
  5. Step 5: Solve for x
    x = 297,474,763,196,194,434,842,624/621,363,606,363.27
  6. Step 6: Final answer
    x = 478,745,069,955.51

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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.