Finding the Fourth Proportional to 854,855,365.80, 1,282,283,048.70 and 492,058,309.80
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Solution
The fourth proportional to 854,855,365.80, 1,282,283,048.70 and 492,058,309.80 is: 738,087,464.70
Step by Step Solution
- Step 1: Write the proportion equation
854,855,365.80 : 1,282,283,048.70 = 492,058,309.80 : x - Step 2: Convert to fraction form
854,855,365.80/1,282,283,048.70 = 492,058,309.80/x - Step 3: Cross multiply
854,855,365.80x = 1,282,283,048.70 × 492,058,309.80 - Step 4: Simplify right side
854,855,365.80x = 630,958,029,628,513,152 - Step 5: Solve for x
x = 630,958,029,628,513,152/854,855,365.80 - Step 6: Final answer
x = 738,087,464.70
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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.