Home / 365,974,957.04-505,054,216.22-198,718,267.84

Finding the Fourth Proportional to 365,974,957.04, 505,054,216.22 and 198,718,267.84

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Solution

The fourth proportional to 365,974,957.04, 505,054,216.22 and 198,718,267.84 is: 274,235,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,974,957.04 : 505,054,216.22 = 198,718,267.84 : x
  2. Step 2: Convert to fraction form
    365,974,957.04/505,054,216.22 = 198,718,267.84/x
  3. Step 3: Cross multiply
    365,974,957.04x = 505,054,216.22 × 198,718,267.84
  4. Step 4: Simplify right side
    365,974,957.04x = 100,363,499,012,527,232
  5. Step 5: Solve for x
    x = 100,363,499,012,527,232/365,974,957.04
  6. Step 6: Final answer
    x = 274,235,974.57

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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.