Finding the Fourth Proportional to 1,733,170,374.72, 2,391,775,117.34 and 990,630,380.70
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Solution
The fourth proportional to 1,733,170,374.72, 2,391,775,117.34 and 990,630,380.70 is: 1,367,069,925.49
Step by Step Solution
- Step 1: Write the proportion equation
1,733,170,374.72 : 2,391,775,117.34 = 990,630,380.70 : x - Step 2: Convert to fraction form
1,733,170,374.72/2,391,775,117.34 = 990,630,380.70/x - Step 3: Cross multiply
1,733,170,374.72x = 2,391,775,117.34 × 990,630,380.70 - Step 4: Simplify right side
1,733,170,374.72x = 2,369,365,095,034,358,272 - Step 5: Solve for x
x = 2,369,365,095,034,358,272/1,733,170,374.72 - Step 6: Final answer
x = 1,367,069,925.49
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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.