Finding the Fourth Proportional to 723,330,465.84, 1,084,995,698.77 and 212,727,201.84
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Solution
The fourth proportional to 723,330,465.84, 1,084,995,698.77 and 212,727,201.84 is: 319,090,802.76
Step by Step Solution
- Step 1: Write the proportion equation
723,330,465.84 : 1,084,995,698.77 = 212,727,201.84 : x - Step 2: Convert to fraction form
723,330,465.84/1,084,995,698.77 = 212,727,201.84/x - Step 3: Cross multiply
723,330,465.84x = 1,084,995,698.77 × 212,727,201.84 - Step 4: Simplify right side
723,330,465.84x = 230,808,099,007,777,632 - Step 5: Solve for x
x = 230,808,099,007,777,632/723,330,465.84 - Step 6: Final answer
x = 319,090,802.76
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Similar ratio
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1.5x scale
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.