Finding the Fourth Proportional to 403,708,570.92, 557,118,071.92 and 218,069,668.62
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Solution
The fourth proportional to 403,708,570.92, 557,118,071.92 and 218,069,668.62 is: 300,936,274.52
Step by Step Solution
- Step 1: Write the proportion equation
403,708,570.92 : 557,118,071.92 = 218,069,668.62 : x - Step 2: Convert to fraction form
403,708,570.92/557,118,071.92 = 218,069,668.62/x - Step 3: Cross multiply
403,708,570.92x = 557,118,071.92 × 218,069,668.62 - Step 4: Simplify right side
403,708,570.92x = 121,490,553,325,807,728 - Step 5: Solve for x
x = 121,490,553,325,807,728/403,708,570.92 - Step 6: Final answer
x = 300,936,274.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.