Finding the Fourth Proportional to 299,575,689.79, 413,378,647.87 and 165,595,507.47
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Solution
The fourth proportional to 299,575,689.79, 413,378,647.87 and 165,595,507.47 is: 228,502,009.02
Step by Step Solution
- Step 1: Write the proportion equation
299,575,689.79 : 413,378,647.87 = 165,595,507.47 : x - Step 2: Convert to fraction form
299,575,689.79/413,378,647.87 = 165,595,507.47/x - Step 3: Cross multiply
299,575,689.79x = 413,378,647.87 × 165,595,507.47 - Step 4: Simplify right side
299,575,689.79x = 68,453,646,971,295,088 - Step 5: Solve for x
x = 68,453,646,971,295,088/299,575,689.79 - Step 6: Final answer
x = 228,502,009.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.