Finding the Fourth Proportional to 1,068,290,216.94, 1,474,249,155.28 and 591,988,541.88
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Solution
The fourth proportional to 1,068,290,216.94, 1,474,249,155.28 and 591,988,541.88 is: 816,948,984.43
Step by Step Solution
- Step 1: Write the proportion equation
1,068,290,216.94 : 1,474,249,155.28 = 591,988,541.88 : x - Step 2: Convert to fraction form
1,068,290,216.94/1,474,249,155.28 = 591,988,541.88/x - Step 3: Cross multiply
1,068,290,216.94x = 1,474,249,155.28 × 591,988,541.88 - Step 4: Simplify right side
1,068,290,216.94x = 872,738,607,802,028,928 - Step 5: Solve for x
x = 872,738,607,802,028,928/1,068,290,216.94 - Step 6: Final answer
x = 816,948,984.43
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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.