Finding the Fourth Proportional to 301,813,352.40, 452,720,028.60 and 185,587,205.70
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Solution
The fourth proportional to 301,813,352.40, 452,720,028.60 and 185,587,205.70 is: 278,380,808.55
Step by Step Solution
- Step 1: Write the proportion equation
301,813,352.40 : 452,720,028.60 = 185,587,205.70 : x - Step 2: Convert to fraction form
301,813,352.40/452,720,028.60 = 185,587,205.70/x - Step 3: Cross multiply
301,813,352.40x = 452,720,028.60 × 185,587,205.70 - Step 4: Simplify right side
301,813,352.40x = 84,019,045,072,298,080 - Step 5: Solve for x
x = 84,019,045,072,298,080/301,813,352.40 - Step 6: Final answer
x = 278,380,808.55
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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.