Finding the Fourth Proportional to 453,433,613.80, 680,205,630.30 and 162,331,277.80
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Solution
The fourth proportional to 453,433,613.80, 680,205,630.30 and 162,331,277.80 is: 243,516,681.99
Step by Step Solution
- Step 1: Write the proportion equation
453,433,613.80 : 680,205,630.30 = 162,331,277.80 : x - Step 2: Convert to fraction form
453,433,613.80/680,205,630.30 = 162,331,277.80/x - Step 3: Cross multiply
453,433,613.80x = 680,205,630.30 × 162,331,277.80 - Step 4: Simplify right side
453,433,613.80x = 110,418,649,133,353,392 - Step 5: Solve for x
x = 110,418,649,133,353,392/453,433,613.80 - Step 6: Final answer
x = 243,516,681.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.