Finding the Fourth Proportional to 1,534,497,625.14, 2,117,602,739.70 and 856,307,465.30
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Solution
The fourth proportional to 1,534,497,625.14, 2,117,602,739.70 and 856,307,465.30 is: 1,181,702,079.45
Step by Step Solution
- Step 1: Write the proportion equation
1,534,497,625.14 : 2,117,602,739.70 = 856,307,465.30 : x - Step 2: Convert to fraction form
1,534,497,625.14/2,117,602,739.70 = 856,307,465.30/x - Step 3: Cross multiply
1,534,497,625.14x = 2,117,602,739.70 × 856,307,465.30 - Step 4: Simplify right side
1,534,497,625.14x = 1,813,319,034,544,842,496 - Step 5: Solve for x
x = 1,813,319,034,544,842,496/1,534,497,625.14 - Step 6: Final answer
x = 1,181,702,079.45
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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.