Finding the Fourth Proportional to 1,547,631,086,079.60, 2,135,737,349,690.80 and 853,156,387,313.55
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Solution
The fourth proportional to 1,547,631,086,079.60, 2,135,737,349,690.80 and 853,156,387,313.55 is: 1,177,359,370,655.02
Step by Step Solution
- Step 1: Write the proportion equation
1,547,631,086,079.60 : 2,135,737,349,690.80 = 853,156,387,313.55 : x - Step 2: Convert to fraction form
1,547,631,086,079.60/2,135,737,349,690.80 = 853,156,387,313.55/x - Step 3: Cross multiply
1,547,631,086,079.60x = 2,135,737,349,690.80 × 853,156,387,313.55 - Step 4: Simplify right side
1,547,631,086,079.60x = 1,822,117,961,512,819,017,908,224 - Step 5: Solve for x
x = 1,822,117,961,512,819,017,908,224/1,547,631,086,079.60 - Step 6: Final answer
x = 1,177,359,370,655.02
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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.