Home / 302,122,083,137.74-417,116,669,349.81-192,318,407,159.78

Finding the Fourth Proportional to 302,122,083,137.74, 417,116,669,349.81 and 192,318,407,159.78

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Solution

The fourth proportional to 302,122,083,137.74, 417,116,669,349.81 and 192,318,407,159.78 is: 265,519,198,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,122,083,137.74 : 417,116,669,349.81 = 192,318,407,159.78 : x
  2. Step 2: Convert to fraction form
    302,122,083,137.74/417,116,669,349.81 = 192,318,407,159.78/x
  3. Step 3: Cross multiply
    302,122,083,137.74x = 417,116,669,349.81 × 192,318,407,159.78
  4. Step 4: Simplify right side
    302,122,083,137.74x = 80,219,213,449,148,088,975,360
  5. Step 5: Solve for x
    x = 80,219,213,449,148,088,975,360/302,122,083,137.74
  6. Step 6: Final answer
    x = 265,519,198,782.22

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1.5x scale

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.