Finding the Fourth Proportional to 2,440,160,621.90, 3,367,186,358.64 and 1,368,507,457.93
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Solution
The fourth proportional to 2,440,160,621.90, 3,367,186,358.64 and 1,368,507,457.93 is: 1,888,408,329.63
Step by Step Solution
- Step 1: Write the proportion equation
2,440,160,621.90 : 3,367,186,358.64 = 1,368,507,457.93 : x - Step 2: Convert to fraction form
2,440,160,621.90/3,367,186,358.64 = 1,368,507,457.93/x - Step 3: Cross multiply
2,440,160,621.90x = 3,367,186,358.64 × 1,368,507,457.93 - Step 4: Simplify right side
2,440,160,621.90x = 4,608,019,644,038,999,552 - Step 5: Solve for x
x = 4,608,019,644,038,999,552/2,440,160,621.90 - Step 6: Final answer
x = 1,888,408,329.63
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1.5x scale
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.