Finding the Fourth Proportional to 288,276,070.35, 432,414,105.53 and 239,808,651.15
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Solution
The fourth proportional to 288,276,070.35, 432,414,105.53 and 239,808,651.15 is: 359,712,976.73
Step by Step Solution
- Step 1: Write the proportion equation
288,276,070.35 : 432,414,105.53 = 239,808,651.15 : x - Step 2: Convert to fraction form
288,276,070.35/432,414,105.53 = 239,808,651.15/x - Step 3: Cross multiply
288,276,070.35x = 432,414,105.53 × 239,808,651.15 - Step 4: Simplify right side
288,276,070.35x = 103,696,643,384,184,016 - Step 5: Solve for x
x = 103,696,643,384,184,016/288,276,070.35 - Step 6: Final answer
x = 359,712,976.73
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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.