Finding the Fourth Proportional to 913,275,747.47, 1,369,909,759.11 and 330,873,444.11
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Solution
The fourth proportional to 913,275,747.47, 1,369,909,759.11 and 330,873,444.11 is: 496,308,766.95
Step by Step Solution
- Step 1: Write the proportion equation
913,275,747.47 : 1,369,909,759.11 = 330,873,444.11 : x - Step 2: Convert to fraction form
913,275,747.47/1,369,909,759.11 = 330,873,444.11/x - Step 3: Cross multiply
913,275,747.47x = 1,369,909,759.11 × 330,873,444.11 - Step 4: Simplify right side
913,275,747.47x = 453,266,760,109,776,576 - Step 5: Solve for x
x = 453,266,760,109,776,576/913,275,747.47 - Step 6: Final answer
x = 496,308,766.95
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1.5x scale
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.