Finding the Fourth Proportional to 1,191,824,595.78, 1,786,102,462.99 and 754,344,357.48
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Solution
The fourth proportional to 1,191,824,595.78, 1,786,102,462.99 and 754,344,357.48 is: 1,130,482,052.15
Step by Step Solution
- Step 1: Write the proportion equation
1,191,824,595.78 : 1,786,102,462.99 = 754,344,357.48 : x - Step 2: Convert to fraction form
1,191,824,595.78/1,786,102,462.99 = 754,344,357.48/x - Step 3: Cross multiply
1,191,824,595.78x = 1,786,102,462.99 × 754,344,357.48 - Step 4: Simplify right side
1,191,824,595.78x = 1,347,336,314,837,637,120 - Step 5: Solve for x
x = 1,347,336,314,837,637,120/1,191,824,595.78 - Step 6: Final answer
x = 1,130,482,052.15
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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.