Home / 621,363,606,363.77-857,357,414,005.94-346,967,038,876.98

Finding the Fourth Proportional to 621,363,606,363.77, 857,357,414,005.94 and 346,967,038,876.98

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Solution

The fourth proportional to 621,363,606,363.77, 857,357,414,005.94 and 346,967,038,876.98 is: 478,745,069,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,363,606,363.77 : 857,357,414,005.94 = 346,967,038,876.98 : x
  2. Step 2: Convert to fraction form
    621,363,606,363.77/857,357,414,005.94 = 346,967,038,876.98/x
  3. Step 3: Cross multiply
    621,363,606,363.77x = 857,357,414,005.94 × 346,967,038,876.98
  4. Step 4: Simplify right side
    621,363,606,363.77x = 297,474,763,196,865,993,244,672
  5. Step 5: Solve for x
    x = 297,474,763,196,865,993,244,672/621,363,606,363.77
  6. Step 6: Final answer
    x = 478,745,069,956.21

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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.