Finding the Fourth Proportional to 374,564,692.74, 516,895,468.83 and 207,301,279.26
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Solution
The fourth proportional to 374,564,692.74, 516,895,468.83 and 207,301,279.26 is: 286,073,658.33
Step by Step Solution
- Step 1: Write the proportion equation
374,564,692.74 : 516,895,468.83 = 207,301,279.26 : x - Step 2: Convert to fraction form
374,564,692.74/516,895,468.83 = 207,301,279.26/x - Step 3: Cross multiply
374,564,692.74x = 516,895,468.83 × 207,301,279.26 - Step 4: Simplify right side
374,564,692.74x = 107,153,091,932,156,448 - Step 5: Solve for x
x = 107,153,091,932,156,448/374,564,692.74 - Step 6: Final answer
x = 286,073,658.33
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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.