Home / 1,326,634,921,001.10-1,990,151,353,427.90-465,957,391,451.12

Finding the Fourth Proportional to 1,326,634,921,001.10, 1,990,151,353,427.90 and 465,957,391,451.12

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Solution

The fourth proportional to 1,326,634,921,001.10, 1,990,151,353,427.90 and 465,957,391,451.12 is: 699,005,972,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,634,921,001.10 : 1,990,151,353,427.90 = 465,957,391,451.12 : x
  2. Step 2: Convert to fraction form
    1,326,634,921,001.10/1,990,151,353,427.90 = 465,957,391,451.12/x
  3. Step 3: Cross multiply
    1,326,634,921,001.10x = 1,990,151,353,427.90 × 465,957,391,451.12
  4. Step 4: Simplify right side
    1,326,634,921,001.10x = 927,325,733,236,180,189,708,288
  5. Step 5: Solve for x
    x = 927,325,733,236,180,189,708,288/1,326,634,921,001.10
  6. Step 6: Final answer
    x = 699,005,972,597.50

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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.