Finding the Fourth Proportional to 554,426,957,505.94, 765,113,693,698.84 and 307,233,365,210.90
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Solution
The fourth proportional to 554,426,957,505.94, 765,113,693,698.84 and 307,233,365,210.90 is: 423,984,533,402.70
Step by Step Solution
- Step 1: Write the proportion equation
554,426,957,505.94 : 765,113,693,698.84 = 307,233,365,210.90 : x - Step 2: Convert to fraction form
554,426,957,505.94/765,113,693,698.84 = 307,233,365,210.90/x - Step 3: Cross multiply
554,426,957,505.94x = 765,113,693,698.84 × 307,233,365,210.90 - Step 4: Simplify right side
554,426,957,505.94x = 235,068,454,884,036,382,294,016 - Step 5: Solve for x
x = 235,068,454,884,036,382,294,016/554,426,957,505.94 - Step 6: Final answer
x = 423,984,533,402.70
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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.