Finding the Fourth Proportional to 314,872,767.69, 434,681,733.81 and 195,833,729.53
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Solution
The fourth proportional to 314,872,767.69, 434,681,733.81 and 195,833,729.53 is: 270,348,387.75
Step by Step Solution
- Step 1: Write the proportion equation
314,872,767.69 : 434,681,733.81 = 195,833,729.53 : x - Step 2: Convert to fraction form
314,872,767.69/434,681,733.81 = 195,833,729.53/x - Step 3: Cross multiply
314,872,767.69x = 434,681,733.81 × 195,833,729.53 - Step 4: Simplify right side
314,872,767.69x = 85,125,345,090,750,256 - Step 5: Solve for x
x = 85,125,345,090,750,256/314,872,767.69 - Step 6: Final answer
x = 270,348,387.75
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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.