Finding the Fourth Proportional to 3,507,338,643.04, 4,840,126,924.96 and 2,097,642,379.84
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Solution
The fourth proportional to 3,507,338,643.04, 4,840,126,924.96 and 2,097,642,379.84 is: 2,894,746,243.49
Step by Step Solution
- Step 1: Write the proportion equation
3,507,338,643.04 : 4,840,126,924.96 = 2,097,642,379.84 : x - Step 2: Convert to fraction form
3,507,338,643.04/4,840,126,924.96 = 2,097,642,379.84/x - Step 3: Cross multiply
3,507,338,643.04x = 4,840,126,924.96 × 2,097,642,379.84 - Step 4: Simplify right side
3,507,338,643.04x = 10,152,855,361,600,755,712 - Step 5: Solve for x
x = 10,152,855,361,600,755,712/3,507,338,643.04 - Step 6: Final answer
x = 2,894,746,243.49
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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.