Finding the Fourth Proportional to 1,780,758,286.90, 2,671,137,513.39 and 1,219,967,129.07
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Solution
The fourth proportional to 1,780,758,286.90, 2,671,137,513.39 and 1,219,967,129.07 is: 1,829,950,750.49
Step by Step Solution
- Step 1: Write the proportion equation
1,780,758,286.90 : 2,671,137,513.39 = 1,219,967,129.07 : x - Step 2: Convert to fraction form
1,780,758,286.90/2,671,137,513.39 = 1,219,967,129.07/x - Step 3: Cross multiply
1,780,758,286.90x = 2,671,137,513.39 × 1,219,967,129.07 - Step 4: Simplify right side
1,780,758,286.90x = 3,258,699,963,561,576,448 - Step 5: Solve for x
x = 3,258,699,963,561,576,448/1,780,758,286.90 - Step 6: Final answer
x = 1,829,950,750.49
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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.