Finding the Fourth Proportional to 622,683,339.99, 859,306,895.33 and 340,426,388.98
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Solution
The fourth proportional to 622,683,339.99, 859,306,895.33 and 340,426,388.98 is: 469,790,541.38
Step by Step Solution
- Step 1: Write the proportion equation
622,683,339.99 : 859,306,895.33 = 340,426,388.98 : x - Step 2: Convert to fraction form
622,683,339.99/859,306,895.33 = 340,426,388.98/x - Step 3: Cross multiply
622,683,339.99x = 859,306,895.33 × 340,426,388.98 - Step 4: Simplify right side
622,683,339.99x = 292,530,743,402,806,784 - Step 5: Solve for x
x = 292,530,743,402,806,784/622,683,339.99 - Step 6: Final answer
x = 469,790,541.38
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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.