Finding the Fourth Proportional to 288,134,270.68, 397,356,666.76 and 266,733,120.28
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Solution
The fourth proportional to 288,134,270.68, 397,356,666.76 and 266,733,120.28 is: 367,843,031.44
Step by Step Solution
- Step 1: Write the proportion equation
288,134,270.68 : 397,356,666.76 = 266,733,120.28 : x - Step 2: Convert to fraction form
288,134,270.68/397,356,666.76 = 266,733,120.28/x - Step 3: Cross multiply
288,134,270.68x = 397,356,666.76 × 266,733,120.28 - Step 4: Simplify right side
288,134,270.68x = 105,988,183,588,954,960 - Step 5: Solve for x
x = 105,988,183,588,954,960/288,134,270.68 - Step 6: Final answer
x = 367,843,031.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.