Finding the Fourth Proportional to 4,968,971,971.60, 7,447,127,904.60 and 2,641,024,195.60
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Solution
The fourth proportional to 4,968,971,971.60, 7,447,127,904.60 and 2,641,024,195.60 is: 3,958,171,850.47
Step by Step Solution
- Step 1: Write the proportion equation
4,968,971,971.60 : 7,447,127,904.60 = 2,641,024,195.60 : x - Step 2: Convert to fraction form
4,968,971,971.60/7,447,127,904.60 = 2,641,024,195.60/x - Step 3: Cross multiply
4,968,971,971.60x = 7,447,127,904.60 × 2,641,024,195.60 - Step 4: Simplify right side
4,968,971,971.60x = 19,668,044,983,776,530,432 - Step 5: Solve for x
x = 19,668,044,983,776,530,432/4,968,971,971.60 - Step 6: Final answer
x = 3,958,171,850.47
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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.