Home / 305,867,095,380.78-458,722,386,212.71-90,685,320,692.50

Finding the Fourth Proportional to 305,867,095,380.78, 458,722,386,212.71 and 90,685,320,692.50

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Solution

The fourth proportional to 305,867,095,380.78, 458,722,386,212.71 and 90,685,320,692.50 is: 136,004,778,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,867,095,380.78 : 458,722,386,212.71 = 90,685,320,692.50 : x
  2. Step 2: Convert to fraction form
    305,867,095,380.78/458,722,386,212.71 = 90,685,320,692.50/x
  3. Step 3: Cross multiply
    305,867,095,380.78x = 458,722,386,212.71 × 90,685,320,692.50
  4. Step 4: Simplify right side
    305,867,095,380.78x = 41,599,386,702,528,448,036,864
  5. Step 5: Solve for x
    x = 41,599,386,702,528,448,036,864/305,867,095,380.78
  6. Step 6: Final answer
    x = 136,004,778,973.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.