Finding the Fourth Proportional to 1,304,875,031.80, 1,957,312,547.70 and 443,232,023.80
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Solution
The fourth proportional to 1,304,875,031.80, 1,957,312,547.70 and 443,232,023.80 is: 664,848,035.70
Step by Step Solution
- Step 1: Write the proportion equation
1,304,875,031.80 : 1,957,312,547.70 = 443,232,023.80 : x - Step 2: Convert to fraction form
1,304,875,031.80/1,957,312,547.70 = 443,232,023.80/x - Step 3: Cross multiply
1,304,875,031.80x = 1,957,312,547.70 × 443,232,023.80 - Step 4: Simplify right side
1,304,875,031.80x = 867,543,601,726,205,056 - Step 5: Solve for x
x = 867,543,601,726,205,056/1,304,875,031.80 - Step 6: Final answer
x = 664,848,035.70
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1.5x scale
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.