Finding the Fourth Proportional to 2,602,730,787.87, 3,901,371,607.89 and 1,089,246,918.63
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Solution
The fourth proportional to 2,602,730,787.87, 3,901,371,607.89 and 1,089,246,918.63 is: 1,632,730,139.49
Step by Step Solution
- Step 1: Write the proportion equation
2,602,730,787.87 : 3,901,371,607.89 = 1,089,246,918.63 : x - Step 2: Convert to fraction form
2,602,730,787.87/3,901,371,607.89 = 1,089,246,918.63/x - Step 3: Cross multiply
2,602,730,787.87x = 3,901,371,607.89 × 1,089,246,918.63 - Step 4: Simplify right side
2,602,730,787.87x = 4,249,557,002,324,751,360 - Step 5: Solve for x
x = 4,249,557,002,324,751,360/2,602,730,787.87 - Step 6: Final answer
x = 1,632,730,139.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.