Finding the Fourth Proportional to 496,746,205.20, 745,119,307.80 and 302,557,663.80
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Solution
The fourth proportional to 496,746,205.20, 745,119,307.80 and 302,557,663.80 is: 453,836,495.70
Step by Step Solution
- Step 1: Write the proportion equation
496,746,205.20 : 745,119,307.80 = 302,557,663.80 : x - Step 2: Convert to fraction form
496,746,205.20/745,119,307.80 = 302,557,663.80/x - Step 3: Cross multiply
496,746,205.20x = 745,119,307.80 × 302,557,663.80 - Step 4: Simplify right side
496,746,205.20x = 225,441,557,020,241,120 - Step 5: Solve for x
x = 225,441,557,020,241,120/496,746,205.20 - Step 6: Final answer
x = 453,836,495.70
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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.