Finding the Fourth Proportional to 852,276,628.86, 1,176,015,645.99 and 517,575,090.30
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Solution
The fourth proportional to 852,276,628.86, 1,176,015,645.99 and 517,575,090.30 is: 714,177,044.82
Step by Step Solution
- Step 1: Write the proportion equation
852,276,628.86 : 1,176,015,645.99 = 517,575,090.30 : x - Step 2: Convert to fraction form
852,276,628.86/1,176,015,645.99 = 517,575,090.30/x - Step 3: Cross multiply
852,276,628.86x = 1,176,015,645.99 × 517,575,090.30 - Step 4: Simplify right side
852,276,628.86x = 608,676,404,167,487,104 - Step 5: Solve for x
x = 608,676,404,167,487,104/852,276,628.86 - Step 6: Final answer
x = 714,177,044.82
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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.