Home / 475,245,831.60-712,994,718.60-168,505,959.60

Finding the Fourth Proportional to 475,245,831.60, 712,994,718.60 and 168,505,959.60

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Solution

The fourth proportional to 475,245,831.60, 712,994,718.60 and 168,505,959.60 is: 252,803,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,245,831.60 : 712,994,718.60 = 168,505,959.60 : x
  2. Step 2: Convert to fraction form
    475,245,831.60/712,994,718.60 = 168,505,959.60/x
  3. Step 3: Cross multiply
    475,245,831.60x = 712,994,718.60 × 168,505,959.60
  4. Step 4: Simplify right side
    475,245,831.60x = 120,143,859,247,424,976
  5. Step 5: Solve for x
    x = 120,143,859,247,424,976/475,245,831.60
  6. Step 6: Final answer
    x = 252,803,604.49

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1.5x scale

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.