Finding the Fourth Proportional to 3,574,936,985.68, 5,362,607,177.70 and 1,087,878,967.48
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Solution
The fourth proportional to 3,574,936,985.68, 5,362,607,177.70 and 1,087,878,967.48 is: 1,631,879,829.73
Step by Step Solution
- Step 1: Write the proportion equation
3,574,936,985.68 : 5,362,607,177.70 = 1,087,878,967.48 : x - Step 2: Convert to fraction form
3,574,936,985.68/5,362,607,177.70 = 1,087,878,967.48/x - Step 3: Cross multiply
3,574,936,985.68x = 5,362,607,177.70 × 1,087,878,967.48 - Step 4: Simplify right side
3,574,936,985.68x = 5,833,867,559,477,112,832 - Step 5: Solve for x
x = 5,833,867,559,477,112,832/3,574,936,985.68 - Step 6: Final answer
x = 1,631,879,829.73
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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.