Finding the Fourth Proportional to 3,259,160,251.56, 4,888,692,477.18 and 805,497,365.16
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Solution
The fourth proportional to 3,259,160,251.56, 4,888,692,477.18 and 805,497,365.16 is: 1,208,234,209.28
Step by Step Solution
- Step 1: Write the proportion equation
3,259,160,251.56 : 4,888,692,477.18 = 805,497,365.16 : x - Step 2: Convert to fraction form
3,259,160,251.56/4,888,692,477.18 = 805,497,365.16/x - Step 3: Cross multiply
3,259,160,251.56x = 4,888,692,477.18 × 805,497,365.16 - Step 4: Simplify right side
3,259,160,251.56x = 3,937,828,909,446,003,712 - Step 5: Solve for x
x = 3,937,828,909,446,003,712/3,259,160,251.56 - Step 6: Final answer
x = 1,208,234,209.28
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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.