Finding the Fourth Proportional to 311,175,767.29, 429,447,037.98 and 177,219,347.63
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Solution
The fourth proportional to 311,175,767.29, 429,447,037.98 and 177,219,347.63 is: 244,576,640.96
Step by Step Solution
- Step 1: Write the proportion equation
311,175,767.29 : 429,447,037.98 = 177,219,347.63 : x - Step 2: Convert to fraction form
311,175,767.29/429,447,037.98 = 177,219,347.63/x - Step 3: Cross multiply
311,175,767.29x = 429,447,037.98 × 177,219,347.63 - Step 4: Simplify right side
311,175,767.29x = 76,106,323,912,579,200 - Step 5: Solve for x
x = 76,106,323,912,579,200/311,175,767.29 - Step 6: Final answer
x = 244,576,640.96
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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.