Finding the Fourth Proportional to 2,878,858,883.64, 4,319,881,762.50 and 1,405,010,901.18
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Solution
The fourth proportional to 2,878,858,883.64, 4,319,881,762.50 and 1,405,010,901.18 is: 2,108,294,019.76
Step by Step Solution
- Step 1: Write the proportion equation
2,878,858,883.64 : 4,319,881,762.50 = 1,405,010,901.18 : x - Step 2: Convert to fraction form
2,878,858,883.64/4,319,881,762.50 = 1,405,010,901.18/x - Step 3: Cross multiply
2,878,858,883.64x = 4,319,881,762.50 × 1,405,010,901.18 - Step 4: Simplify right side
2,878,858,883.64x = 6,069,480,968,121,171,968 - Step 5: Solve for x
x = 6,069,480,968,121,171,968/2,878,858,883.64 - Step 6: Final answer
x = 2,108,294,019.76
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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.