Finding the Fourth Proportional to 427,381,651.08, 589,780,890.66 and 239,209,889
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Solution
The fourth proportional to 427,381,651.08, 589,780,890.66 and 239,209,889 is: 330,106,407.31
Step by Step Solution
- Step 1: Write the proportion equation
427,381,651.08 : 589,780,890.66 = 239,209,889 : x - Step 2: Convert to fraction form
427,381,651.08/589,780,890.66 = 239,209,889/x - Step 3: Cross multiply
427,381,651.08x = 589,780,890.66 × 239,209,889 - Step 4: Simplify right side
427,381,651.08x = 141,081,421,389,099,728 - Step 5: Solve for x
x = 141,081,421,389,099,728/427,381,651.08 - Step 6: Final answer
x = 330,106,407.31
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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.