Finding the Fourth Proportional to 913,275,745.97, 1,369,909,756.87 and 330,873,442.61
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Solution
The fourth proportional to 913,275,745.97, 1,369,909,756.87 and 330,873,442.61 is: 496,308,764.70
Step by Step Solution
- Step 1: Write the proportion equation
913,275,745.97 : 1,369,909,756.87 = 330,873,442.61 : x - Step 2: Convert to fraction form
913,275,745.97/1,369,909,756.87 = 330,873,442.61/x - Step 3: Cross multiply
913,275,745.97x = 1,369,909,756.87 × 330,873,442.61 - Step 4: Simplify right side
913,275,745.97x = 453,266,757,312,928,320 - Step 5: Solve for x
x = 453,266,757,312,928,320/913,275,745.97 - Step 6: Final answer
x = 496,308,764.70
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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.