Finding the Fourth Proportional to 1,720,806,028,631.90, 2,374,920,554,606 and 979,393,128,266.08
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Solution
The fourth proportional to 1,720,806,028,631.90, 2,374,920,554,606 and 979,393,128,266.08 is: 1,351,681,033,572.52
Step by Step Solution
- Step 1: Write the proportion equation
1,720,806,028,631.90 : 2,374,920,554,606 = 979,393,128,266.08 : x - Step 2: Convert to fraction form
1,720,806,028,631.90/2,374,920,554,606 = 979,393,128,266.08/x - Step 3: Cross multiply
1,720,806,028,631.90x = 2,374,920,554,606 × 979,393,128,266.08 - Step 4: Simplify right side
1,720,806,028,631.90x = 2,325,980,871,358,983,880,835,072 - Step 5: Solve for x
x = 2,325,980,871,358,983,880,835,072/1,720,806,028,631.90 - Step 6: Final answer
x = 1,351,681,033,572.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.