Home / 436,176,447,999.20-654,264,671,998.80-287,284,536,216.80

Finding the Fourth Proportional to 436,176,447,999.20, 654,264,671,998.80 and 287,284,536,216.80

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Solution

The fourth proportional to 436,176,447,999.20, 654,264,671,998.80 and 287,284,536,216.80 is: 430,926,804,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,176,447,999.20 : 654,264,671,998.80 = 287,284,536,216.80 : x
  2. Step 2: Convert to fraction form
    436,176,447,999.20/654,264,671,998.80 = 287,284,536,216.80/x
  3. Step 3: Cross multiply
    436,176,447,999.20x = 654,264,671,998.80 × 287,284,536,216.80
  4. Step 4: Simplify right side
    436,176,447,999.20x = 187,960,122,858,212,035,657,728
  5. Step 5: Solve for x
    x = 187,960,122,858,212,035,657,728/436,176,447,999.20
  6. Step 6: Final answer
    x = 430,926,804,325.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.