Home / 369,820,378.36-510,352,397.29-200,275,932.21

Finding the Fourth Proportional to 369,820,378.36, 510,352,397.29 and 200,275,932.21

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Solution

The fourth proportional to 369,820,378.36, 510,352,397.29 and 200,275,932.21 is: 276,380,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,820,378.36 : 510,352,397.29 = 200,275,932.21 : x
  2. Step 2: Convert to fraction form
    369,820,378.36/510,352,397.29 = 200,275,932.21/x
  3. Step 3: Cross multiply
    369,820,378.36x = 510,352,397.29 × 200,275,932.21
  4. Step 4: Simplify right side
    369,820,378.36x = 102,211,302,122,863,040
  5. Step 5: Solve for x
    x = 102,211,302,122,863,040/369,820,378.36
  6. Step 6: Final answer
    x = 276,380,935.46

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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.