Home / 660,815,731.86-912,858,232.77-529,528,858.26

Finding the Fourth Proportional to 660,815,731.86, 912,858,232.77 and 529,528,858.26

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Solution

The fourth proportional to 660,815,731.86, 912,858,232.77 and 529,528,858.26 is: 731,497,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,815,731.86 : 912,858,232.77 = 529,528,858.26 : x
  2. Step 2: Convert to fraction form
    660,815,731.86/912,858,232.77 = 529,528,858.26/x
  3. Step 3: Cross multiply
    660,815,731.86x = 912,858,232.77 × 529,528,858.26
  4. Step 4: Simplify right side
    660,815,731.86x = 483,384,777,751,939,392
  5. Step 5: Solve for x
    x = 483,384,777,751,939,392/660,815,731.86
  6. Step 6: Final answer
    x = 731,497,079.21

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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.