Finding the Fourth Proportional to 1,593,417,766.60, 2,198,918,636.16 and 878,937,203.08
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Solution
The fourth proportional to 1,593,417,766.60, 2,198,918,636.16 and 878,937,203.08 is: 1,212,934,508.69
Step by Step Solution
- Step 1: Write the proportion equation
1,593,417,766.60 : 2,198,918,636.16 = 878,937,203.08 : x - Step 2: Convert to fraction form
1,593,417,766.60/2,198,918,636.16 = 878,937,203.08/x - Step 3: Cross multiply
1,593,417,766.60x = 2,198,918,636.16 × 878,937,203.08 - Step 4: Simplify right side
1,593,417,766.60x = 1,932,711,395,866,958,592 - Step 5: Solve for x
x = 1,932,711,395,866,958,592/1,593,417,766.60 - Step 6: Final answer
x = 1,212,934,508.69
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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.