Finding the Fourth Proportional to 707,283,092.92, 968,981,349.54 and 680,774,483.68
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Solution
The fourth proportional to 707,283,092.92, 968,981,349.54 and 680,774,483.68 is: 932,664,423.24
Step by Step Solution
- Step 1: Write the proportion equation
707,283,092.92 : 968,981,349.54 = 680,774,483.68 : x - Step 2: Convert to fraction form
707,283,092.92/968,981,349.54 = 680,774,483.68/x - Step 3: Cross multiply
707,283,092.92x = 968,981,349.54 × 680,774,483.68 - Step 4: Simplify right side
707,283,092.92x = 659,657,777,928,643,072 - Step 5: Solve for x
x = 659,657,777,928,643,072/707,283,092.92 - Step 6: Final answer
x = 932,664,423.24
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.