Home / 302,090,530,533.87-416,886,625,420.08-171,879,381,967.70

Finding the Fourth Proportional to 302,090,530,533.87, 416,886,625,420.08 and 171,879,381,967.70

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Solution

The fourth proportional to 302,090,530,533.87, 416,886,625,420.08 and 171,879,381,967.70 is: 237,194,510,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,090,530,533.87 : 416,886,625,420.08 = 171,879,381,967.70 : x
  2. Step 2: Convert to fraction form
    302,090,530,533.87/416,886,625,420.08 = 171,879,381,967.70/x
  3. Step 3: Cross multiply
    302,090,530,533.87x = 416,886,625,420.08 × 171,879,381,967.70
  4. Step 4: Simplify right side
    302,090,530,533.87x = 71,654,215,527,803,413,069,824
  5. Step 5: Solve for x
    x = 71,654,215,527,803,413,069,824/302,090,530,533.87
  6. Step 6: Final answer
    x = 237,194,510,536.87

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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.