Finding the Fourth Proportional to 1,712,450,466,780.60, 2,363,226,432,417 and 931,229,284,936.14
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Solution
The fourth proportional to 1,712,450,466,780.60, 2,363,226,432,417 and 931,229,284,936.14 is: 1,285,120,769,034.09
Step by Step Solution
- Step 1: Write the proportion equation
1,712,450,466,780.60 : 2,363,226,432,417 = 931,229,284,936.14 : x - Step 2: Convert to fraction form
1,712,450,466,780.60/2,363,226,432,417 = 931,229,284,936.14/x - Step 3: Cross multiply
1,712,450,466,780.60x = 2,363,226,432,417 × 931,229,284,936.14 - Step 4: Simplify right side
1,712,450,466,780.60x = 2,200,705,660,801,868,093,194,240 - Step 5: Solve for x
x = 2,200,705,660,801,868,093,194,240/1,712,450,466,780.60 - Step 6: Final answer
x = 1,285,120,769,034.09
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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.