Finding the Fourth Proportional to 4,042,570,397.80, 6,063,855,596.70 and 978,950,813.80
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Solution
The fourth proportional to 4,042,570,397.80, 6,063,855,596.70 and 978,950,813.80 is: 1,468,426,220.70
Step by Step Solution
- Step 1: Write the proportion equation
4,042,570,397.80 : 6,063,855,596.70 = 978,950,813.80 : x - Step 2: Convert to fraction form
4,042,570,397.80/6,063,855,596.70 = 978,950,813.80/x - Step 3: Cross multiply
4,042,570,397.80x = 6,063,855,596.70 × 978,950,813.80 - Step 4: Simplify right side
4,042,570,397.80x = 5,936,216,371,155,148,800 - Step 5: Solve for x
x = 5,936,216,371,155,148,800/4,042,570,397.80 - Step 6: Final answer
x = 1,468,426,220.70
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1.5x scale
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.