Finding the Fourth Proportional to 715,696,538.80, 1,073,544,808.20 and 532,030,529.20
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Solution
The fourth proportional to 715,696,538.80, 1,073,544,808.20 and 532,030,529.20 is: 798,045,793.80
Step by Step Solution
- Step 1: Write the proportion equation
715,696,538.80 : 1,073,544,808.20 = 532,030,529.20 : x - Step 2: Convert to fraction form
715,696,538.80/1,073,544,808.20 = 532,030,529.20/x - Step 3: Cross multiply
715,696,538.80x = 1,073,544,808.20 × 532,030,529.20 - Step 4: Simplify right side
715,696,538.80x = 571,158,612,426,558,528 - Step 5: Solve for x
x = 571,158,612,426,558,528/715,696,538.80 - Step 6: Final answer
x = 798,045,793.80
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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.