Finding the Fourth Proportional to 1,816,214,201.85, 2,506,375,502.61 and 980,838,691.95
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Solution
The fourth proportional to 1,816,214,201.85, 2,506,375,502.61 and 980,838,691.95 is: 1,353,557,343.08
Step by Step Solution
- Step 1: Write the proportion equation
1,816,214,201.85 : 2,506,375,502.61 = 980,838,691.95 : x - Step 2: Convert to fraction form
1,816,214,201.85/2,506,375,502.61 = 980,838,691.95/x - Step 3: Cross multiply
1,816,214,201.85x = 2,506,375,502.61 × 980,838,691.95 - Step 4: Simplify right side
1,816,214,201.85x = 2,458,350,069,515,516,416 - Step 5: Solve for x
x = 2,458,350,069,515,516,416/1,816,214,201.85 - Step 6: Final answer
x = 1,353,557,343.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.