Finding the Fourth Proportional to 544,828,122.99, 751,878,692.73 and 297,325,420.47
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Solution
The fourth proportional to 544,828,122.99, 751,878,692.73 and 297,325,420.47 is: 410,317,747.97
Step by Step Solution
- Step 1: Write the proportion equation
544,828,122.99 : 751,878,692.73 = 297,325,420.47 : x - Step 2: Convert to fraction form
544,828,122.99/751,878,692.73 = 297,325,420.47/x - Step 3: Cross multiply
544,828,122.99x = 751,878,692.73 × 297,325,420.47 - Step 4: Simplify right side
544,828,122.99x = 223,552,648,458,381,216 - Step 5: Solve for x
x = 223,552,648,458,381,216/544,828,122.99 - Step 6: Final answer
x = 410,317,747.97
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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.