Home / 1,279,152,580.25-1,765,242,730.75-750,525,560.35

Finding the Fourth Proportional to 1,279,152,580.25, 1,765,242,730.75 and 750,525,560.35

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Solution

The fourth proportional to 1,279,152,580.25, 1,765,242,730.75 and 750,525,560.35 is: 1,035,732,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,152,580.25 : 1,765,242,730.75 = 750,525,560.35 : x
  2. Step 2: Convert to fraction form
    1,279,152,580.25/1,765,242,730.75 = 750,525,560.35/x
  3. Step 3: Cross multiply
    1,279,152,580.25x = 1,765,242,730.75 × 750,525,560.35
  4. Step 4: Simplify right side
    1,279,152,580.25x = 1,324,859,789,649,907,968
  5. Step 5: Solve for x
    x = 1,324,859,789,649,907,968/1,279,152,580.25
  6. Step 6: Final answer
    x = 1,035,732,413.87

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1.5x scale

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.