Finding the Fourth Proportional to 2,943,992,156.40, 4,416,026,699.19 and 978,845,235.09
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Solution
The fourth proportional to 2,943,992,156.40, 4,416,026,699.19 and 978,845,235.09 is: 1,468,280,641.69
Step by Step Solution
- Step 1: Write the proportion equation
2,943,992,156.40 : 4,416,026,699.19 = 978,845,235.09 : x - Step 2: Convert to fraction form
2,943,992,156.40/4,416,026,699.19 = 978,845,235.09/x - Step 3: Cross multiply
2,943,992,156.40x = 4,416,026,699.19 × 978,845,235.09 - Step 4: Simplify right side
2,943,992,156.40x = 4,322,606,692,532,352,000 - Step 5: Solve for x
x = 4,322,606,692,532,352,000/2,943,992,156.40 - Step 6: Final answer
x = 1,468,280,641.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.