Home / 467,467,438.65-645,100,282.29-258,625,075.98

Finding the Fourth Proportional to 467,467,438.65, 645,100,282.29 and 258,625,075.98

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Solution

The fourth proportional to 467,467,438.65, 645,100,282.29 and 258,625,075.98 is: 356,899,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,467,438.65 : 645,100,282.29 = 258,625,075.98 : x
  2. Step 2: Convert to fraction form
    467,467,438.65/645,100,282.29 = 258,625,075.98/x
  3. Step 3: Cross multiply
    467,467,438.65x = 645,100,282.29 × 258,625,075.98
  4. Step 4: Simplify right side
    467,467,438.65x = 166,839,109,521,970,688
  5. Step 5: Solve for x
    x = 166,839,109,521,970,688/467,467,438.65
  6. Step 6: Final answer
    x = 356,899,958.64

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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.