Finding the Fourth Proportional to 453,433,615.80, 680,205,633.30 and 162,331,279.80
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Solution
The fourth proportional to 453,433,615.80, 680,205,633.30 and 162,331,279.80 is: 243,516,684.99
Step by Step Solution
- Step 1: Write the proportion equation
453,433,615.80 : 680,205,633.30 = 162,331,279.80 : x - Step 2: Convert to fraction form
453,433,615.80/680,205,633.30 = 162,331,279.80/x - Step 3: Cross multiply
453,433,615.80x = 680,205,633.30 × 162,331,279.80 - Step 4: Simplify right side
453,433,615.80x = 110,418,650,980,758,496 - Step 5: Solve for x
x = 110,418,650,980,758,496/453,433,615.80 - Step 6: Final answer
x = 243,516,684.99
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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.