Finding the Fourth Proportional to 560,821,676.28, 840,480,547.98 and 436,474,446.80
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Solution
The fourth proportional to 560,821,676.28, 840,480,547.98 and 436,474,446.80 is: 654,126,432.23
Step by Step Solution
- Step 1: Write the proportion equation
560,821,676.28 : 840,480,547.98 = 436,474,446.80 : x - Step 2: Convert to fraction form
560,821,676.28/840,480,547.98 = 436,474,446.80/x - Step 3: Cross multiply
560,821,676.28x = 840,480,547.98 × 436,474,446.80 - Step 4: Simplify right side
560,821,676.28x = 366,848,282,221,528,960 - Step 5: Solve for x
x = 366,848,282,221,528,960/560,821,676.28 - Step 6: Final answer
x = 654,126,432.23
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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.