Finding the Fourth Proportional to 1,912,367,697,444.30, 2,869,054,678,186.70 and 687,250,585,580.75
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Solution
The fourth proportional to 1,912,367,697,444.30, 2,869,054,678,186.70 and 687,250,585,580.75 is: 1,031,056,689,716.14
Step by Step Solution
- Step 1: Write the proportion equation
1,912,367,697,444.30 : 2,869,054,678,186.70 = 687,250,585,580.75 : x - Step 2: Convert to fraction form
1,912,367,697,444.30/2,869,054,678,186.70 = 687,250,585,580.75/x - Step 3: Cross multiply
1,912,367,697,444.30x = 2,869,054,678,186.70 × 687,250,585,580.75 - Step 4: Simplify right side
1,912,367,697,444.30x = 1,971,759,507,646,999,905,173,504 - Step 5: Solve for x
x = 1,971,759,507,646,999,905,173,504/1,912,367,697,444.30 - Step 6: Final answer
x = 1,031,056,689,716.14
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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.