Finding the Fourth Proportional to 995,238,425.60, 1,491,762,777.60 and 348,673,356.80
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Solution
The fourth proportional to 995,238,425.60, 1,491,762,777.60 and 348,673,356.80 is: 522,626,459.99
Step by Step Solution
- Step 1: Write the proportion equation
995,238,425.60 : 1,491,762,777.60 = 348,673,356.80 : x - Step 2: Convert to fraction form
995,238,425.60/1,491,762,777.60 = 348,673,356.80/x - Step 3: Cross multiply
995,238,425.60x = 1,491,762,777.60 × 348,673,356.80 - Step 4: Simplify right side
995,238,425.60x = 520,137,935,215,083,840 - Step 5: Solve for x
x = 520,137,935,215,083,840/995,238,425.60 - Step 6: Final answer
x = 522,626,459.99
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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.