Finding the Fourth Proportional to 1,990,081,749.83, 2,973,465,000.82 and 1,920,484,318.28
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Solution
The fourth proportional to 1,990,081,749.83, 2,973,465,000.82 and 1,920,484,318.28 is: 2,869,476,545.63
Step by Step Solution
- Step 1: Write the proportion equation
1,990,081,749.83 : 2,973,465,000.82 = 1,920,484,318.28 : x - Step 2: Convert to fraction form
1,990,081,749.83/2,973,465,000.82 = 1,920,484,318.28/x - Step 3: Cross multiply
1,990,081,749.83x = 2,973,465,000.82 × 1,920,484,318.28 - Step 4: Simplify right side
1,990,081,749.83x = 5,710,492,905,016,674,304 - Step 5: Solve for x
x = 5,710,492,905,016,674,304/1,990,081,749.83 - Step 6: Final answer
x = 2,869,476,545.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.