Finding the Fourth Proportional to 2,312,222,159.04, 3,190,319,685.44 and 1,308,639,725.99
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Solution
The fourth proportional to 2,312,222,159.04, 3,190,319,685.44 and 1,308,639,725.99 is: 1,805,613,298.30
Step by Step Solution
- Step 1: Write the proportion equation
2,312,222,159.04 : 3,190,319,685.44 = 1,308,639,725.99 : x - Step 2: Convert to fraction form
2,312,222,159.04/3,190,319,685.44 = 1,308,639,725.99/x - Step 3: Cross multiply
2,312,222,159.04x = 3,190,319,685.44 × 1,308,639,725.99 - Step 4: Simplify right side
2,312,222,159.04x = 4,174,979,078,977,976,320 - Step 5: Solve for x
x = 4,174,979,078,977,976,320/2,312,222,159.04 - Step 6: Final answer
x = 1,805,613,298.30
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1.5x scale
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.