Home / 963,515,852.82-1,329,651,874.95-545,828,137.56

Finding the Fourth Proportional to 963,515,852.82, 1,329,651,874.95 and 545,828,137.56

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Solution

The fourth proportional to 963,515,852.82, 1,329,651,874.95 and 545,828,137.56 is: 753,242,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,515,852.82 : 1,329,651,874.95 = 545,828,137.56 : x
  2. Step 2: Convert to fraction form
    963,515,852.82/1,329,651,874.95 = 545,828,137.56/x
  3. Step 3: Cross multiply
    963,515,852.82x = 1,329,651,874.95 × 545,828,137.56
  4. Step 4: Simplify right side
    963,515,852.82x = 725,761,406,507,120,512
  5. Step 5: Solve for x
    x = 725,761,406,507,120,512/963,515,852.82
  6. Step 6: Final answer
    x = 753,242,828.73

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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.