Home / 772,182,600.48-1,065,604,418.19-419,737,621.50

Finding the Fourth Proportional to 772,182,600.48, 1,065,604,418.19 and 419,737,621.50

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Solution

The fourth proportional to 772,182,600.48, 1,065,604,418.19 and 419,737,621.50 is: 579,233,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,182,600.48 : 1,065,604,418.19 = 419,737,621.50 : x
  2. Step 2: Convert to fraction form
    772,182,600.48/1,065,604,418.19 = 419,737,621.50/x
  3. Step 3: Cross multiply
    772,182,600.48x = 1,065,604,418.19 × 419,737,621.50
  4. Step 4: Simplify right side
    772,182,600.48x = 447,274,263,950,961,984
  5. Step 5: Solve for x
    x = 447,274,263,950,961,984/772,182,600.48
  6. Step 6: Final answer
    x = 579,233,802.57

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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.