Home / 774,345,667,855.65-1,068,600,343,821.10-422,386,269,780.57

Finding the Fourth Proportional to 774,345,667,855.65, 1,068,600,343,821.10 and 422,386,269,780.57

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Solution

The fourth proportional to 774,345,667,855.65, 1,068,600,343,821.10 and 422,386,269,780.57 is: 582,894,864,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,345,667,855.65 : 1,068,600,343,821.10 = 422,386,269,780.57 : x
  2. Step 2: Convert to fraction form
    774,345,667,855.65/1,068,600,343,821.10 = 422,386,269,780.57/x
  3. Step 3: Cross multiply
    774,345,667,855.65x = 1,068,600,343,821.10 × 422,386,269,780.57
  4. Step 4: Simplify right side
    774,345,667,855.65x = 451,362,113,112,829,010,640,896
  5. Step 5: Solve for x
    x = 451,362,113,112,829,010,640,896/774,345,667,855.65
  6. Step 6: Final answer
    x = 582,894,864,463.77

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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.