Home / 1,326,634,920,998.40-1,990,151,353,423.60-465,957,391,448.29

Finding the Fourth Proportional to 1,326,634,920,998.40, 1,990,151,353,423.60 and 465,957,391,448.29

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Solution

The fourth proportional to 1,326,634,920,998.40, 1,990,151,353,423.60 and 465,957,391,448.29 is: 699,005,972,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,634,920,998.40 : 1,990,151,353,423.60 = 465,957,391,448.29 : x
  2. Step 2: Convert to fraction form
    1,326,634,920,998.40/1,990,151,353,423.60 = 465,957,391,448.29/x
  3. Step 3: Cross multiply
    1,326,634,920,998.40x = 1,990,151,353,423.60 × 465,957,391,448.29
  4. Step 4: Simplify right side
    1,326,634,920,998.40x = 927,325,733,228,544,543,162,368
  5. Step 5: Solve for x
    x = 927,325,733,228,544,543,162,368/1,326,634,920,998.40
  6. Step 6: Final answer
    x = 699,005,972,593.17

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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.