Finding the Fourth Proportional to 2,728,872,985.63, 3,765,881,310.08 and 1,539,438,276.00
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Solution
The fourth proportional to 2,728,872,985.63, 3,765,881,310.08 and 1,539,438,276.00 is: 2,124,445,462.33
Step by Step Solution
- Step 1: Write the proportion equation
2,728,872,985.63 : 3,765,881,310.08 = 1,539,438,276.00 : x - Step 2: Convert to fraction form
2,728,872,985.63/3,765,881,310.08 = 1,539,438,276.00/x - Step 3: Cross multiply
2,728,872,985.63x = 3,765,881,310.08 × 1,539,438,276.00 - Step 4: Simplify right side
2,728,872,985.63x = 5,797,341,831,599,104,000 - Step 5: Solve for x
x = 5,797,341,831,599,104,000/2,728,872,985.63 - Step 6: Final answer
x = 2,124,445,462.33
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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.