Finding the Fourth Proportional to 387,970,663.00, 536,099,860.37 and 276,267,574.87
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Solution
The fourth proportional to 387,970,663.00, 536,099,860.37 and 276,267,574.87 is: 381,747,957.87
Step by Step Solution
- Step 1: Write the proportion equation
387,970,663.00 : 536,099,860.37 = 276,267,574.87 : x - Step 2: Convert to fraction form
387,970,663.00/536,099,860.37 = 276,267,574.87/x - Step 3: Cross multiply
387,970,663.00x = 536,099,860.37 × 276,267,574.87 - Step 4: Simplify right side
387,970,663.00x = 148,107,008,312,273,408 - Step 5: Solve for x
x = 148,107,008,312,273,408/387,970,663.00 - Step 6: Final answer
x = 381,747,957.87
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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.