Finding the Fourth Proportional to 1,787,283,893.68, 2,466,474,472.16 and 983,603,923.52
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Solution
The fourth proportional to 1,787,283,893.68, 2,466,474,472.16 and 983,603,923.52 is: 1,357,385,906.43
Step by Step Solution
- Step 1: Write the proportion equation
1,787,283,893.68 : 2,466,474,472.16 = 983,603,923.52 : x - Step 2: Convert to fraction form
1,787,283,893.68/2,466,474,472.16 = 983,603,923.52/x - Step 3: Cross multiply
1,787,283,893.68x = 2,466,474,472.16 × 983,603,923.52 - Step 4: Simplify right side
1,787,283,893.68x = 2,426,033,968,078,496,768 - Step 5: Solve for x
x = 2,426,033,968,078,496,768/1,787,283,893.68 - Step 6: Final answer
x = 1,357,385,906.43
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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.