Home / 1,326,634,920,995.70-1,990,151,353,419.80-465,957,391,445.77

Finding the Fourth Proportional to 1,326,634,920,995.70, 1,990,151,353,419.80 and 465,957,391,445.77

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Solution

The fourth proportional to 1,326,634,920,995.70, 1,990,151,353,419.80 and 465,957,391,445.77 is: 699,005,972,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,634,920,995.70 : 1,990,151,353,419.80 = 465,957,391,445.77 : x
  2. Step 2: Convert to fraction form
    1,326,634,920,995.70/1,990,151,353,419.80 = 465,957,391,445.77/x
  3. Step 3: Cross multiply
    1,326,634,920,995.70x = 1,990,151,353,419.80 × 465,957,391,445.77
  4. Step 4: Simplify right side
    1,326,634,920,995.70x = 927,325,733,221,758,763,270,144
  5. Step 5: Solve for x
    x = 927,325,733,221,758,763,270,144/1,326,634,920,995.70
  6. Step 6: Final answer
    x = 699,005,972,589.47

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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.