Finding the Fourth Proportional to 2,989,361,957.20, 4,125,444,828.98 and 1,719,203,932.54
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Solution
The fourth proportional to 2,989,361,957.20, 4,125,444,828.98 and 1,719,203,932.54 is: 2,372,573,503.98
Step by Step Solution
- Step 1: Write the proportion equation
2,989,361,957.20 : 4,125,444,828.98 = 1,719,203,932.54 : x - Step 2: Convert to fraction form
2,989,361,957.20/4,125,444,828.98 = 1,719,203,932.54/x - Step 3: Cross multiply
2,989,361,957.20x = 4,125,444,828.98 × 1,719,203,932.54 - Step 4: Simplify right side
2,989,361,957.20x = 7,092,480,973,459,223,552 - Step 5: Solve for x
x = 7,092,480,973,459,223,552/2,989,361,957.20 - Step 6: Final answer
x = 2,372,573,503.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.