Finding the Fourth Proportional to 498,676,519.70, 748,014,779.55 and 135,170,875.70
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Solution
The fourth proportional to 498,676,519.70, 748,014,779.55 and 135,170,875.70 is: 202,756,313.55
Step by Step Solution
- Step 1: Write the proportion equation
498,676,519.70 : 748,014,779.55 = 135,170,875.70 : x - Step 2: Convert to fraction form
498,676,519.70/748,014,779.55 = 135,170,875.70/x - Step 3: Cross multiply
498,676,519.70x = 748,014,779.55 × 135,170,875.70 - Step 4: Simplify right side
498,676,519.70x = 101,109,812,788,315,936 - Step 5: Solve for x
x = 101,109,812,788,315,936/498,676,519.70 - Step 6: Final answer
x = 202,756,313.55
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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.