Finding the Fourth Proportional to 4,888,573,665.68, 7,332,788,699.48 and 1,208,078,921.36
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Solution
The fourth proportional to 4,888,573,665.68, 7,332,788,699.48 and 1,208,078,921.36 is: 1,812,100,638.85
Step by Step Solution
- Step 1: Write the proportion equation
4,888,573,665.68 : 7,332,788,699.48 = 1,208,078,921.36 : x - Step 2: Convert to fraction form
4,888,573,665.68/7,332,788,699.48 = 1,208,078,921.36/x - Step 3: Cross multiply
4,888,573,665.68x = 7,332,788,699.48 × 1,208,078,921.36 - Step 4: Simplify right side
4,888,573,665.68x = 8,858,587,462,628,594,688 - Step 5: Solve for x
x = 8,858,587,462,628,594,688/4,888,573,665.68 - Step 6: Final answer
x = 1,812,100,638.85
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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.