Home / 1,435,395,985-1,980,847,257.06-775,346,269.48

Finding the Fourth Proportional to 1,435,395,985, 1,980,847,257.06 and 775,346,269.48

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Solution

The fourth proportional to 1,435,395,985, 1,980,847,257.06 and 775,346,269.48 is: 1,069,978,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,395,985 : 1,980,847,257.06 = 775,346,269.48 : x
  2. Step 2: Convert to fraction form
    1,435,395,985/1,980,847,257.06 = 775,346,269.48/x
  3. Step 3: Cross multiply
    1,435,395,985x = 1,980,847,257.06 × 775,346,269.48
  4. Step 4: Simplify right side
    1,435,395,985x = 1,535,842,531,171,161,600
  5. Step 5: Solve for x
    x = 1,535,842,531,171,161,600/1,435,395,985
  6. Step 6: Final answer
    x = 1,069,978,282.80

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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.