Finding the Fourth Proportional to 3,145,586,374.66, 4,341,013,459.71 and 1,716,735,720.22
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Solution
The fourth proportional to 3,145,586,374.66, 4,341,013,459.71 and 1,716,735,720.22 is: 2,369,152,196.32
Step by Step Solution
- Step 1: Write the proportion equation
3,145,586,374.66 : 4,341,013,459.71 = 1,716,735,720.22 : x - Step 2: Convert to fraction form
3,145,586,374.66/4,341,013,459.71 = 1,716,735,720.22/x - Step 3: Cross multiply
3,145,586,374.66x = 4,341,013,459.71 × 1,716,735,720.22 - Step 4: Simplify right side
3,145,586,374.66x = 7,452,372,868,239,961,088 - Step 5: Solve for x
x = 7,452,372,868,239,961,088/3,145,586,374.66 - Step 6: Final answer
x = 2,369,152,196.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.