Home / 1,159,029,415.88-1,737,491,999.82-421,577,969.44

Finding the Fourth Proportional to 1,159,029,415.88, 1,737,491,999.82 and 421,577,969.44

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Solution

The fourth proportional to 1,159,029,415.88, 1,737,491,999.82 and 421,577,969.44 is: 631,984,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,029,415.88 : 1,737,491,999.82 = 421,577,969.44 : x
  2. Step 2: Convert to fraction form
    1,159,029,415.88/1,737,491,999.82 = 421,577,969.44/x
  3. Step 3: Cross multiply
    1,159,029,415.88x = 1,737,491,999.82 × 421,577,969.44
  4. Step 4: Simplify right side
    1,159,029,415.88x = 732,488,349,199,688,576
  5. Step 5: Solve for x
    x = 732,488,349,199,688,576/1,159,029,415.88
  6. Step 6: Final answer
    x = 631,984,261.28

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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.