Home / 1,210,630,564,560.10-1,670,670,320,745.40-661,922,241,194.20

Finding the Fourth Proportional to 1,210,630,564,560.10, 1,670,670,320,745.40 and 661,922,241,194.20

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Solution

The fourth proportional to 1,210,630,564,560.10, 1,670,670,320,745.40 and 661,922,241,194.20 is: 913,452,770,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,630,564,560.10 : 1,670,670,320,745.40 = 661,922,241,194.20 : x
  2. Step 2: Convert to fraction form
    1,210,630,564,560.10/1,670,670,320,745.40 = 661,922,241,194.20/x
  3. Step 3: Cross multiply
    1,210,630,564,560.10x = 1,670,670,320,745.40 × 661,922,241,194.20
  4. Step 4: Simplify right side
    1,210,630,564,560.10x = 1,105,853,843,004,427,935,416,320
  5. Step 5: Solve for x
    x = 1,105,853,843,004,427,935,416,320/1,210,630,564,560.10
  6. Step 6: Final answer
    x = 913,452,770,297.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.