Finding the Fourth Proportional to 3,698,721,538.68, 5,104,616,158.56 and 2,250,400,210.65
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Solution
The fourth proportional to 3,698,721,538.68, 5,104,616,158.56 and 2,250,400,210.65 is: 3,105,783,757.55
Step by Step Solution
- Step 1: Write the proportion equation
3,698,721,538.68 : 5,104,616,158.56 = 2,250,400,210.65 : x - Step 2: Convert to fraction form
3,698,721,538.68/5,104,616,158.56 = 2,250,400,210.65/x - Step 3: Cross multiply
3,698,721,538.68x = 5,104,616,158.56 × 2,250,400,210.65 - Step 4: Simplify right side
3,698,721,538.68x = 11,487,429,278,513,287,168 - Step 5: Solve for x
x = 11,487,429,278,513,287,168/3,698,721,538.68 - Step 6: Final answer
x = 3,105,783,757.55
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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.