Home / 1,197,288,989.22-1,640,258,514.67-1,152,524,975.67

Finding the Fourth Proportional to 1,197,288,989.22, 1,640,258,514.67 and 1,152,524,975.67

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Solution

The fourth proportional to 1,197,288,989.22, 1,640,258,514.67 and 1,152,524,975.67 is: 1,578,932,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,288,989.22 : 1,640,258,514.67 = 1,152,524,975.67 : x
  2. Step 2: Convert to fraction form
    1,197,288,989.22/1,640,258,514.67 = 1,152,524,975.67/x
  3. Step 3: Cross multiply
    1,197,288,989.22x = 1,640,258,514.67 × 1,152,524,975.67
  4. Step 4: Simplify right side
    1,197,288,989.22x = 1,890,438,904,712,552,192
  5. Step 5: Solve for x
    x = 1,890,438,904,712,552,192/1,197,288,989.22
  6. Step 6: Final answer
    x = 1,578,932,840.55

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Double scale
Find fourth proportional to 1,197,288,990.22, 1,640,258,516.04 and 1,152,524,976.67
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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.