Finding the Fourth Proportional to 592,335,497.80, 888,503,246.70 and 420,148,613.80
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Solution
The fourth proportional to 592,335,497.80, 888,503,246.70 and 420,148,613.80 is: 630,222,920.70
Step by Step Solution
- Step 1: Write the proportion equation
592,335,497.80 : 888,503,246.70 = 420,148,613.80 : x - Step 2: Convert to fraction form
592,335,497.80/888,503,246.70 = 420,148,613.80/x - Step 3: Cross multiply
592,335,497.80x = 888,503,246.70 × 420,148,613.80 - Step 4: Simplify right side
592,335,497.80x = 373,303,407,457,804,480 - Step 5: Solve for x
x = 373,303,407,457,804,480/592,335,497.80 - Step 6: Final answer
x = 630,222,920.70
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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.