Finding the Fourth Proportional to 2,312,222,158.98, 3,190,319,685.37 and 1,308,639,725.94
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Solution
The fourth proportional to 2,312,222,158.98, 3,190,319,685.37 and 1,308,639,725.94 is: 1,805,613,298.23
Step by Step Solution
- Step 1: Write the proportion equation
2,312,222,158.98 : 3,190,319,685.37 = 1,308,639,725.94 : x - Step 2: Convert to fraction form
2,312,222,158.98/3,190,319,685.37 = 1,308,639,725.94/x - Step 3: Cross multiply
2,312,222,158.98x = 3,190,319,685.37 × 1,308,639,725.94 - Step 4: Simplify right side
2,312,222,158.98x = 4,174,979,078,725,285,376 - Step 5: Solve for x
x = 4,174,979,078,725,285,376/2,312,222,158.98 - Step 6: Final answer
x = 1,805,613,298.23
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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.