Finding the Fourth Proportional to 1,293,292,158.80, 1,940,593,495.80 and 566,287,998.80
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Solution
The fourth proportional to 1,293,292,158.80, 1,940,593,495.80 and 566,287,998.80 is: 849,718,912.89
Step by Step Solution
- Step 1: Write the proportion equation
1,293,292,158.80 : 1,940,593,495.80 = 566,287,998.80 : x - Step 2: Convert to fraction form
1,293,292,158.80/1,940,593,495.80 = 566,287,998.80/x - Step 3: Cross multiply
1,293,292,158.80x = 1,940,593,495.80 × 566,287,998.80 - Step 4: Simplify right side
1,293,292,158.80x = 1,098,934,807,220,878,080 - Step 5: Solve for x
x = 1,098,934,807,220,878,080/1,293,292,158.80 - Step 6: Final answer
x = 849,718,912.89
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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.