Finding the Fourth Proportional to 1,534,497,617.11, 2,117,602,728.66 and 856,307,457.28
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Solution
The fourth proportional to 1,534,497,617.11, 2,117,602,728.66 and 856,307,457.28 is: 1,181,702,068.41
Step by Step Solution
- Step 1: Write the proportion equation
1,534,497,617.11 : 2,117,602,728.66 = 856,307,457.28 : x - Step 2: Convert to fraction form
1,534,497,617.11/2,117,602,728.66 = 856,307,457.28/x - Step 3: Cross multiply
1,534,497,617.11x = 2,117,602,728.66 × 856,307,457.28 - Step 4: Simplify right side
1,534,497,617.11x = 1,813,319,008,108,034,304 - Step 5: Solve for x
x = 1,813,319,008,108,034,304/1,534,497,617.11 - Step 6: Final answer
x = 1,181,702,068.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.