Finding the Fourth Proportional to 850,747,484.72, 1,174,115,223.39 and 516,193,749.95
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Solution
The fourth proportional to 850,747,484.72, 1,174,115,223.39 and 516,193,749.95 is: 712,398,156.82
Step by Step Solution
- Step 1: Write the proportion equation
850,747,484.72 : 1,174,115,223.39 = 516,193,749.95 : x - Step 2: Convert to fraction form
850,747,484.72/1,174,115,223.39 = 516,193,749.95/x - Step 3: Cross multiply
850,747,484.72x = 1,174,115,223.39 × 516,193,749.95 - Step 4: Simplify right side
850,747,484.72x = 606,070,940,030,950,528 - Step 5: Solve for x
x = 606,070,940,030,950,528/850,747,484.72 - Step 6: Final answer
x = 712,398,156.82
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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.