Home / 1,326,634,920,994.20-1,990,151,353,417.40-465,957,391,444.12

Finding the Fourth Proportional to 1,326,634,920,994.20, 1,990,151,353,417.40 and 465,957,391,444.12

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Solution

The fourth proportional to 1,326,634,920,994.20, 1,990,151,353,417.40 and 465,957,391,444.12 is: 699,005,972,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,634,920,994.20 : 1,990,151,353,417.40 = 465,957,391,444.12 : x
  2. Step 2: Convert to fraction form
    1,326,634,920,994.20/1,990,151,353,417.40 = 465,957,391,444.12/x
  3. Step 3: Cross multiply
    1,326,634,920,994.20x = 1,990,151,353,417.40 × 465,957,391,444.12
  4. Step 4: Simplify right side
    1,326,634,920,994.20x = 927,325,733,217,356,556,009,472
  5. Step 5: Solve for x
    x = 927,325,733,217,356,556,009,472/1,326,634,920,994.20
  6. Step 6: Final answer
    x = 699,005,972,586.95

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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.