Finding the Fourth Proportional to 2,429,577,171.55, 3,352,799,804.74 and 1,315,717,776.19
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Solution
The fourth proportional to 2,429,577,171.55, 3,352,799,804.74 and 1,315,717,776.19 is: 1,815,681,491.73
Step by Step Solution
- Step 1: Write the proportion equation
2,429,577,171.55 : 3,352,799,804.74 = 1,315,717,776.19 : x - Step 2: Convert to fraction form
2,429,577,171.55/3,352,799,804.74 = 1,315,717,776.19/x - Step 3: Cross multiply
2,429,577,171.55x = 3,352,799,804.74 × 1,315,717,776.19 - Step 4: Simplify right side
2,429,577,171.55x = 4,411,338,303,102,778,880 - Step 5: Solve for x
x = 4,411,338,303,102,778,880/2,429,577,171.55 - Step 6: Final answer
x = 1,815,681,491.73
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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.