Home / 743,549,413.46-1,115,087,494.64-245,467,188.50

Finding the Fourth Proportional to 743,549,413.46, 1,115,087,494.64 and 245,467,188.50

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Solution

The fourth proportional to 743,549,413.46, 1,115,087,494.64 and 245,467,188.50 is: 368,122,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,549,413.46 : 1,115,087,494.64 = 245,467,188.50 : x
  2. Step 2: Convert to fraction form
    743,549,413.46/1,115,087,494.64 = 245,467,188.50/x
  3. Step 3: Cross multiply
    743,549,413.46x = 1,115,087,494.64 × 245,467,188.50
  4. Step 4: Simplify right side
    743,549,413.46x = 273,717,392,240,789,632
  5. Step 5: Solve for x
    x = 273,717,392,240,789,632/743,549,413.46
  6. Step 6: Final answer
    x = 368,122,665.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.