Finding the Fourth Proportional to 366,391,379.80, 549,587,069.70 and 162,318,035.80
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Solution
The fourth proportional to 366,391,379.80, 549,587,069.70 and 162,318,035.80 is: 243,477,053.70
Step by Step Solution
- Step 1: Write the proportion equation
366,391,379.80 : 549,587,069.70 = 162,318,035.80 : x - Step 2: Convert to fraction form
366,391,379.80/549,587,069.70 = 162,318,035.80/x - Step 3: Cross multiply
366,391,379.80x = 549,587,069.70 × 162,318,035.80 - Step 4: Simplify right side
366,391,379.80x = 89,207,893,654,781,712 - Step 5: Solve for x
x = 89,207,893,654,781,712/366,391,379.80 - Step 6: Final answer
x = 243,477,053.70
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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.