Home / 841,657,382.55-1,262,486,073.83-259,339,764.15

Finding the Fourth Proportional to 841,657,382.55, 1,262,486,073.83 and 259,339,764.15

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Solution

The fourth proportional to 841,657,382.55, 1,262,486,073.83 and 259,339,764.15 is: 389,009,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,657,382.55 : 1,262,486,073.83 = 259,339,764.15 : x
  2. Step 2: Convert to fraction form
    841,657,382.55/1,262,486,073.83 = 259,339,764.15/x
  3. Step 3: Cross multiply
    841,657,382.55x = 1,262,486,073.83 × 259,339,764.15
  4. Step 4: Simplify right side
    841,657,382.55x = 327,412,840,628,435,008
  5. Step 5: Solve for x
    x = 327,412,840,628,435,008/841,657,382.55
  6. Step 6: Final answer
    x = 389,009,646.23

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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.