Finding the Fourth Proportional to 299,125,764.60, 412,862,429.84 and 175,406,299.80
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Solution
The fourth proportional to 299,125,764.60, 412,862,429.84 and 175,406,299.80 is: 242,101,081.60
Step by Step Solution
- Step 1: Write the proportion equation
299,125,764.60 : 412,862,429.84 = 175,406,299.80 : x - Step 2: Convert to fraction form
299,125,764.60/412,862,429.84 = 175,406,299.80/x - Step 3: Cross multiply
299,125,764.60x = 412,862,429.84 × 175,406,299.80 - Step 4: Simplify right side
299,125,764.60x = 72,418,671,144,671,504 - Step 5: Solve for x
x = 72,418,671,144,671,504/299,125,764.60 - Step 6: Final answer
x = 242,101,081.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.