Home / 421,025,153.46-581,193,611.25-262,333,681.29

Finding the Fourth Proportional to 421,025,153.46, 581,193,611.25 and 262,333,681.29

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Solution

The fourth proportional to 421,025,153.46, 581,193,611.25 and 262,333,681.29 is: 362,131,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,025,153.46 : 581,193,611.25 = 262,333,681.29 : x
  2. Step 2: Convert to fraction form
    421,025,153.46/581,193,611.25 = 262,333,681.29/x
  3. Step 3: Cross multiply
    421,025,153.46x = 581,193,611.25 × 262,333,681.29
  4. Step 4: Simplify right side
    421,025,153.46x = 152,466,659,581,441,664
  5. Step 5: Solve for x
    x = 152,466,659,581,441,664/421,025,153.46
  6. Step 6: Final answer
    x = 362,131,949.43

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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.