Finding the Fourth Proportional to 1,411,473,116.80, 2,117,209,675.20 and 1,298,602,921.60
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Solution
The fourth proportional to 1,411,473,116.80, 2,117,209,675.20 and 1,298,602,921.60 is: 1,947,904,382.40
Step by Step Solution
- Step 1: Write the proportion equation
1,411,473,116.80 : 2,117,209,675.20 = 1,298,602,921.60 : x - Step 2: Convert to fraction form
1,411,473,116.80/2,117,209,675.20 = 1,298,602,921.60/x - Step 3: Cross multiply
1,411,473,116.80x = 2,117,209,675.20 × 1,298,602,921.60 - Step 4: Simplify right side
1,411,473,116.80x = 2,749,414,669,854,507,008 - Step 5: Solve for x
x = 2,749,414,669,854,507,008/1,411,473,116.80 - Step 6: Final answer
x = 1,947,904,382.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.