Finding the Fourth Proportional to 3,416,991,525.80, 5,125,487,288.70 and 832,062,501.80
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Solution
The fourth proportional to 3,416,991,525.80, 5,125,487,288.70 and 832,062,501.80 is: 1,248,093,752.70
Step by Step Solution
- Step 1: Write the proportion equation
3,416,991,525.80 : 5,125,487,288.70 = 832,062,501.80 : x - Step 2: Convert to fraction form
3,416,991,525.80/5,125,487,288.70 = 832,062,501.80/x - Step 3: Cross multiply
3,416,991,525.80x = 5,125,487,288.70 × 832,062,501.80 - Step 4: Simplify right side
3,416,991,525.80x = 4,264,725,776,379,820,544 - Step 5: Solve for x
x = 4,264,725,776,379,820,544/3,416,991,525.80 - Step 6: Final answer
x = 1,248,093,752.70
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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.