Finding the Fourth Proportional to 4,326,149,117.70, 6,489,152,763.08 and 1,378,388,692.08
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Solution
The fourth proportional to 4,326,149,117.70, 6,489,152,763.08 and 1,378,388,692.08 is: 2,067,560,443.82
Step by Step Solution
- Step 1: Write the proportion equation
4,326,149,117.70 : 6,489,152,763.08 = 1,378,388,692.08 : x - Step 2: Convert to fraction form
4,326,149,117.70/6,489,152,763.08 = 1,378,388,692.08/x - Step 3: Cross multiply
4,326,149,117.70x = 6,489,152,763.08 × 1,378,388,692.08 - Step 4: Simplify right side
4,326,149,117.70x = 8,944,574,789,802,266,624 - Step 5: Solve for x
x = 8,944,574,789,802,266,624/4,326,149,117.70 - Step 6: Final answer
x = 2,067,560,443.82
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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.