Finding the Fourth Proportional to 2,129,609,880.36, 2,938,357,783.62 and 1,237,006,305
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Solution
The fourth proportional to 2,129,609,880.36, 2,938,357,783.62 and 1,237,006,305 is: 1,706,776,033.58
Step by Step Solution
- Step 1: Write the proportion equation
2,129,609,880.36 : 2,938,357,783.62 = 1,237,006,305 : x - Step 2: Convert to fraction form
2,129,609,880.36/2,938,357,783.62 = 1,237,006,305/x - Step 3: Cross multiply
2,129,609,880.36x = 2,938,357,783.62 × 1,237,006,305 - Step 4: Simplify right side
2,129,609,880.36x = 3,634,767,104,683,765,760 - Step 5: Solve for x
x = 3,634,767,104,683,765,760/2,129,609,880.36 - Step 6: Final answer
x = 1,706,776,033.58
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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.