Finding the Fourth Proportional to 288,293,298.96, 432,513,660.96 and 83,821,374
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Solution
The fourth proportional to 288,293,298.96, 432,513,660.96 and 83,821,374 is: 125,753,492.94
Step by Step Solution
- Step 1: Write the proportion equation
288,293,298.96 : 432,513,660.96 = 83,821,374 : x - Step 2: Convert to fraction form
288,293,298.96/432,513,660.96 = 83,821,374/x - Step 3: Cross multiply
288,293,298.96x = 432,513,660.96 × 83,821,374 - Step 4: Simplify right side
288,293,298.96x = 36,253,889,335,437,360 - Step 5: Solve for x
x = 36,253,889,335,437,360/288,293,298.96 - Step 6: Final answer
x = 125,753,492.94
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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.