Finding the Fourth Proportional to 3,013,658,543.86, 4,159,081,746.97 and 1,808,045,161.23
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Solution
The fourth proportional to 3,013,658,543.86, 4,159,081,746.97 and 1,808,045,161.23 is: 2,495,242,084.77
Step by Step Solution
- Step 1: Write the proportion equation
3,013,658,543.86 : 4,159,081,746.97 = 1,808,045,161.23 : x - Step 2: Convert to fraction form
3,013,658,543.86/4,159,081,746.97 = 1,808,045,161.23/x - Step 3: Cross multiply
3,013,658,543.86x = 4,159,081,746.97 × 1,808,045,161.23 - Step 4: Simplify right side
3,013,658,543.86x = 7,519,807,627,769,123,840 - Step 5: Solve for x
x = 7,519,807,627,769,123,840/3,013,658,543.86 - Step 6: Final answer
x = 2,495,242,084.77
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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.