Finding the Fourth Proportional to 2,921,937,629.81, 4,032,165,862.26 and 1,583,798,989.07
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Solution
The fourth proportional to 2,921,937,629.81, 4,032,165,862.26 and 1,583,798,989.07 is: 2,185,584,028.65
Step by Step Solution
- Step 1: Write the proportion equation
2,921,937,629.81 : 4,032,165,862.26 = 1,583,798,989.07 : x - Step 2: Convert to fraction form
2,921,937,629.81/4,032,165,862.26 = 1,583,798,989.07/x - Step 3: Cross multiply
2,921,937,629.81x = 4,032,165,862.26 × 1,583,798,989.07 - Step 4: Simplify right side
2,921,937,629.81x = 6,386,140,216,420,033,536 - Step 5: Solve for x
x = 6,386,140,216,420,033,536/2,921,937,629.81 - Step 6: Final answer
x = 2,185,584,028.65
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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.