Finding the Fourth Proportional to 296,703,909.30, 445,055,863.95 and 252,865,931.70
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Solution
The fourth proportional to 296,703,909.30, 445,055,863.95 and 252,865,931.70 is: 379,298,897.55
Step by Step Solution
- Step 1: Write the proportion equation
296,703,909.30 : 445,055,863.95 = 252,865,931.70 : x - Step 2: Convert to fraction form
296,703,909.30/445,055,863.95 = 252,865,931.70/x - Step 3: Cross multiply
296,703,909.30x = 445,055,863.95 × 252,865,931.70 - Step 4: Simplify right side
296,703,909.30x = 112,539,465,696,265,184 - Step 5: Solve for x
x = 112,539,465,696,265,184/296,703,909.30 - Step 6: Final answer
x = 379,298,897.55
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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.