Home / 2,136,133,653.12-3,198,459,750.48-1,355,553,112.32

Finding the Fourth Proportional to 2,136,133,653.12, 3,198,459,750.48 and 1,355,553,112.32

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Solution

The fourth proportional to 2,136,133,653.12, 3,198,459,750.48 and 1,355,553,112.32 is: 2,029,686,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,133,653.12 : 3,198,459,750.48 = 1,355,553,112.32 : x
  2. Step 2: Convert to fraction form
    2,136,133,653.12/3,198,459,750.48 = 1,355,553,112.32/x
  3. Step 3: Cross multiply
    2,136,133,653.12x = 3,198,459,750.48 × 1,355,553,112.32
  4. Step 4: Simplify right side
    2,136,133,653.12x = 4,335,682,069,393,414,656
  5. Step 5: Solve for x
    x = 4,335,682,069,393,414,656/2,136,133,653.12
  6. Step 6: Final answer
    x = 2,029,686,701.98

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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.