Home / 467,040,409.52-644,408,838.36-278,832,073.80

Finding the Fourth Proportional to 467,040,409.52, 644,408,838.36 and 278,832,073.80

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Solution

The fourth proportional to 467,040,409.52, 644,408,838.36 and 278,832,073.80 is: 384,724,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,040,409.52 : 644,408,838.36 = 278,832,073.80 : x
  2. Step 2: Convert to fraction form
    467,040,409.52/644,408,838.36 = 278,832,073.80/x
  3. Step 3: Cross multiply
    467,040,409.52x = 644,408,838.36 × 278,832,073.80
  4. Step 4: Simplify right side
    467,040,409.52x = 179,681,852,774,967,808
  5. Step 5: Solve for x
    x = 179,681,852,774,967,808/467,040,409.52
  6. Step 6: Final answer
    x = 384,724,424.51

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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.