Finding the Fourth Proportional to 618,596,651.95, 853,657,377.98 and 336,339,089.03
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Solution
The fourth proportional to 618,596,651.95, 853,657,377.98 and 336,339,089.03 is: 464,144,679.65
Step by Step Solution
- Step 1: Write the proportion equation
618,596,651.95 : 853,657,377.98 = 336,339,089.03 : x - Step 2: Convert to fraction form
618,596,651.95/853,657,377.98 = 336,339,089.03/x - Step 3: Cross multiply
618,596,651.95x = 853,657,377.98 × 336,339,089.03 - Step 4: Simplify right side
618,596,651.95x = 287,118,344,853,984,064 - Step 5: Solve for x
x = 287,118,344,853,984,064/618,596,651.95 - Step 6: Final answer
x = 464,144,679.65
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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.