Finding the Fourth Proportional to 467,814,692.68, 645,589,377.73 and 258,974,322.91
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Solution
The fourth proportional to 467,814,692.68, 645,589,377.73 and 258,974,322.91 is: 357,387,389.90
Step by Step Solution
- Step 1: Write the proportion equation
467,814,692.68 : 645,589,377.73 = 258,974,322.91 : x - Step 2: Convert to fraction form
467,814,692.68/645,589,377.73 = 258,974,322.91/x - Step 3: Cross multiply
467,814,692.68x = 645,589,377.73 × 258,974,322.91 - Step 4: Simplify right side
467,814,692.68x = 167,191,071,972,287,040 - Step 5: Solve for x
x = 167,191,071,972,287,040/467,814,692.68 - Step 6: Final answer
x = 357,387,389.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.