Finding the Fourth Proportional to 7,726,348,821.11, 10,664,673,561.45 and 4,512,125,831.54
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Solution
The fourth proportional to 7,726,348,821.11, 10,664,673,561.45 and 4,512,125,831.54 is: 6,228,083,946.98
Step by Step Solution
- Step 1: Write the proportion equation
7,726,348,821.11 : 10,664,673,561.45 = 4,512,125,831.54 : x - Step 2: Convert to fraction form
7,726,348,821.11/10,664,673,561.45 = 4,512,125,831.54/x - Step 3: Cross multiply
7,726,348,821.11x = 10,664,673,561.45 × 4,512,125,831.54 - Step 4: Simplify right side
7,726,348,821.11x = 48,120,349,061,506,916,352 - Step 5: Solve for x
x = 48,120,349,061,506,916,352/7,726,348,821.11 - Step 6: Final answer
x = 6,228,083,946.98
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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.