Finding the Fourth Proportional to 415,075,634.70, 572,804,501.61 and 226,904,752.29
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Solution
The fourth proportional to 415,075,634.70, 572,804,501.61 and 226,904,752.29 is: 313,128,626.89
Step by Step Solution
- Step 1: Write the proportion equation
415,075,634.70 : 572,804,501.61 = 226,904,752.29 : x - Step 2: Convert to fraction form
415,075,634.70/572,804,501.61 = 226,904,752.29/x - Step 3: Cross multiply
415,075,634.70x = 572,804,501.61 × 226,904,752.29 - Step 4: Simplify right side
415,075,634.70x = 129,972,063,548,187,968 - Step 5: Solve for x
x = 129,972,063,548,187,968/415,075,634.70 - Step 6: Final answer
x = 313,128,626.89
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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.