Finding the Fourth Proportional to 996,931,975.80, 1,495,397,963.70 and 882,140,719.80
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Solution
The fourth proportional to 996,931,975.80, 1,495,397,963.70 and 882,140,719.80 is: 1,323,211,079.70
Step by Step Solution
- Step 1: Write the proportion equation
996,931,975.80 : 1,495,397,963.70 = 882,140,719.80 : x - Step 2: Convert to fraction form
996,931,975.80/1,495,397,963.70 = 882,140,719.80/x - Step 3: Cross multiply
996,931,975.80x = 1,495,397,963.70 × 882,140,719.80 - Step 4: Simplify right side
996,931,975.80x = 1,319,151,436,085,772,288 - Step 5: Solve for x
x = 1,319,151,436,085,772,288/996,931,975.80 - Step 6: Final answer
x = 1,323,211,079.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.