Finding the Fourth Proportional to 620,630,202.18, 931,172,307.99 and 288,795,473.52
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Solution
The fourth proportional to 620,630,202.18, 931,172,307.99 and 288,795,473.52 is: 433,298,841.52
Step by Step Solution
- Step 1: Write the proportion equation
620,630,202.18 : 931,172,307.99 = 288,795,473.52 : x - Step 2: Convert to fraction form
620,630,202.18/931,172,307.99 = 288,795,473.52/x - Step 3: Cross multiply
620,630,202.18x = 931,172,307.99 × 288,795,473.52 - Step 4: Simplify right side
620,630,202.18x = 268,918,347,614,683,328 - Step 5: Solve for x
x = 268,918,347,614,683,328/620,630,202.18 - Step 6: Final answer
x = 433,298,841.52
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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.