Finding the Fourth Proportional to 1,534,497,618.49, 2,117,602,730.57 and 856,307,458.66
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Solution
The fourth proportional to 1,534,497,618.49, 2,117,602,730.57 and 856,307,458.66 is: 1,181,702,070.32
Step by Step Solution
- Step 1: Write the proportion equation
1,534,497,618.49 : 2,117,602,730.57 = 856,307,458.66 : x - Step 2: Convert to fraction form
1,534,497,618.49/2,117,602,730.57 = 856,307,458.66/x - Step 3: Cross multiply
1,534,497,618.49x = 2,117,602,730.57 × 856,307,458.66 - Step 4: Simplify right side
1,534,497,618.49x = 1,813,319,012,665,873,152 - Step 5: Solve for x
x = 1,813,319,012,665,873,152/1,534,497,618.49 - Step 6: Final answer
x = 1,181,702,070.32
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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.