Finding the Fourth Proportional to 1,513,595,203,234.50, 2,088,774,404,211.60 and 863,306,711,685.98
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Solution
The fourth proportional to 1,513,595,203,234.50, 2,088,774,404,211.60 and 863,306,711,685.98 is: 1,191,370,690,459.56
Step by Step Solution
- Step 1: Write the proportion equation
1,513,595,203,234.50 : 2,088,774,404,211.60 = 863,306,711,685.98 : x - Step 2: Convert to fraction form
1,513,595,203,234.50/2,088,774,404,211.60 = 863,306,711,685.98/x - Step 3: Cross multiply
1,513,595,203,234.50x = 2,088,774,404,211.60 × 863,306,711,685.98 - Step 4: Simplify right side
1,513,595,203,234.50x = 1,803,252,962,353,758,584,438,784 - Step 5: Solve for x
x = 1,803,252,962,353,758,584,438,784/1,513,595,203,234.50 - Step 6: Final answer
x = 1,191,370,690,459.56
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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.