Home / 402,858,849,075.42-555,993,962,328.66-229,286,192,477.94

Finding the Fourth Proportional to 402,858,849,075.42, 555,993,962,328.66 and 229,286,192,477.94

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Solution

The fourth proportional to 402,858,849,075.42, 555,993,962,328.66 and 229,286,192,477.94 is: 316,442,691,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,858,849,075.42 : 555,993,962,328.66 = 229,286,192,477.94 : x
  2. Step 2: Convert to fraction form
    402,858,849,075.42/555,993,962,328.66 = 229,286,192,477.94/x
  3. Step 3: Cross multiply
    402,858,849,075.42x = 555,993,962,328.66 × 229,286,192,477.94
  4. Step 4: Simplify right side
    402,858,849,075.42x = 127,481,738,663,061,673,213,952
  5. Step 5: Solve for x
    x = 127,481,738,663,061,673,213,952/402,858,849,075.42
  6. Step 6: Final answer
    x = 316,442,691,914.65

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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.