Finding the Fourth Proportional to 1,869,745,756,918.70, 2,806,432,240,472.70 and 902,335,005,476.01
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Solution
The fourth proportional to 1,869,745,756,918.70, 2,806,432,240,472.70 and 902,335,005,476.01 is: 1,354,377,749,864.90
Step by Step Solution
- Step 1: Write the proportion equation
1,869,745,756,918.70 : 2,806,432,240,472.70 = 902,335,005,476.01 : x - Step 2: Convert to fraction form
1,869,745,756,918.70/2,806,432,240,472.70 = 902,335,005,476.01/x - Step 3: Cross multiply
1,869,745,756,918.70x = 2,806,432,240,472.70 × 902,335,005,476.01 - Step 4: Simplify right side
1,869,745,756,918.70x = 2,532,342,051,074,984,867,004,416 - Step 5: Solve for x
x = 2,532,342,051,074,984,867,004,416/1,869,745,756,918.70 - Step 6: Final answer
x = 1,354,377,749,864.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.