Finding the Fourth Proportional to 4,872,740,158.26, 6,724,389,942.45 and 2,645,073,855.54
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Solution
The fourth proportional to 4,872,740,158.26, 6,724,389,942.45 and 2,645,073,855.54 is: 3,650,206,547.76
Step by Step Solution
- Step 1: Write the proportion equation
4,872,740,158.26 : 6,724,389,942.45 = 2,645,073,855.54 : x - Step 2: Convert to fraction form
4,872,740,158.26/6,724,389,942.45 = 2,645,073,855.54/x - Step 3: Cross multiply
4,872,740,158.26x = 6,724,389,942.45 × 2,645,073,855.54 - Step 4: Simplify right side
4,872,740,158.26x = 17,786,508,031,230,619,648 - Step 5: Solve for x
x = 17,786,508,031,230,619,648/4,872,740,158.26 - Step 6: Final answer
x = 3,650,206,547.76
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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.