Finding the Fourth Proportional to 6,423,211,678.92, 9,634,605,510.56 and 2,641,473,148.92
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Solution
The fourth proportional to 6,423,211,678.92, 9,634,605,510.56 and 2,641,473,148.92 is: 3,962,122,537.56
Step by Step Solution
- Step 1: Write the proportion equation
6,423,211,678.92 : 9,634,605,510.56 = 2,641,473,148.92 : x - Step 2: Convert to fraction form
6,423,211,678.92/9,634,605,510.56 = 2,641,473,148.92/x - Step 3: Cross multiply
6,423,211,678.92x = 9,634,605,510.56 × 2,641,473,148.92 - Step 4: Simplify right side
6,423,211,678.92x = 25,449,551,756,580,904,960 - Step 5: Solve for x
x = 25,449,551,756,580,904,960/6,423,211,678.92 - Step 6: Final answer
x = 3,962,122,537.56
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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.