Home / 1,320,103,843,670.80-1,980,155,765,506.20-1,320,103,843,670.80

Finding the Fourth Proportional to 1,320,103,843,670.80, 1,980,155,765,506.20 and 1,320,103,843,670.80

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Solution

The fourth proportional to 1,320,103,843,670.80, 1,980,155,765,506.20 and 1,320,103,843,670.80 is: 1,980,155,765,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,103,843,670.80 : 1,980,155,765,506.20 = 1,320,103,843,670.80 : x
  2. Step 2: Convert to fraction form
    1,320,103,843,670.80/1,980,155,765,506.20 = 1,320,103,843,670.80/x
  3. Step 3: Cross multiply
    1,320,103,843,670.80x = 1,980,155,765,506.20 × 1,320,103,843,670.80
  4. Step 4: Simplify right side
    1,320,103,843,670.80x = 2,614,011,237,111,630,179,336,192
  5. Step 5: Solve for x
    x = 2,614,011,237,111,630,179,336,192/1,320,103,843,670.80
  6. Step 6: Final answer
    x = 1,980,155,765,506.20

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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.