Home / 12,161,416,138.64-16,783,445,831.96-6,808,929,670.40

Finding the Fourth Proportional to 12,161,416,138.64, 16,783,445,831.96 and 6,808,929,670.40

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Solution

The fourth proportional to 12,161,416,138.64, 16,783,445,831.96 and 6,808,929,670.40 is: 9,396,710,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,416,138.64 : 16,783,445,831.96 = 6,808,929,670.40 : x
  2. Step 2: Convert to fraction form
    12,161,416,138.64/16,783,445,831.96 = 6,808,929,670.40/x
  3. Step 3: Cross multiply
    12,161,416,138.64x = 16,783,445,831.96 × 6,808,929,670.40
  4. Step 4: Simplify right side
    12,161,416,138.64x = 114,277,302,296,783,650,816
  5. Step 5: Solve for x
    x = 114,277,302,296,783,650,816/12,161,416,138.64
  6. Step 6: Final answer
    x = 9,396,710,135.89

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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.