Finding the Fourth Proportional to 4,639,272,010.66, 6,403,544,450.16 and 3,031,968,797.74
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Solution
The fourth proportional to 4,639,272,010.66, 6,403,544,450.16 and 3,031,968,797.74 is: 4,184,998,621.17
Step by Step Solution
- Step 1: Write the proportion equation
4,639,272,010.66 : 6,403,544,450.16 = 3,031,968,797.74 : x - Step 2: Convert to fraction form
4,639,272,010.66/6,403,544,450.16 = 3,031,968,797.74/x - Step 3: Cross multiply
4,639,272,010.66x = 6,403,544,450.16 × 3,031,968,797.74 - Step 4: Simplify right side
4,639,272,010.66x = 19,415,346,967,826,264,064 - Step 5: Solve for x
x = 19,415,346,967,826,264,064/4,639,272,010.66 - Step 6: Final answer
x = 4,184,998,621.17
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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.