Home / 848,454,261.68-1,272,682,106.88-405,692,768

Finding the Fourth Proportional to 848,454,261.68, 1,272,682,106.88 and 405,692,768

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Solution

The fourth proportional to 848,454,261.68, 1,272,682,106.88 and 405,692,768 is: 608,539,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,454,261.68 : 1,272,682,106.88 = 405,692,768 : x
  2. Step 2: Convert to fraction form
    848,454,261.68/1,272,682,106.88 = 405,692,768/x
  3. Step 3: Cross multiply
    848,454,261.68x = 1,272,682,106.88 × 405,692,768
  4. Step 4: Simplify right side
    848,454,261.68x = 516,317,926,724,219,072
  5. Step 5: Solve for x
    x = 516,317,926,724,219,072/848,454,261.68
  6. Step 6: Final answer
    x = 608,539,493.57

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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.