Finding the Fourth Proportional to 1,720,806,028,404.20, 2,374,920,554,292 and 979,393,128,038.23
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Solution
The fourth proportional to 1,720,806,028,404.20, 2,374,920,554,292 and 979,393,128,038.23 is: 1,351,681,033,258.20
Step by Step Solution
- Step 1: Write the proportion equation
1,720,806,028,404.20 : 2,374,920,554,292 = 979,393,128,038.23 : x - Step 2: Convert to fraction form
1,720,806,028,404.20/2,374,920,554,292 = 979,393,128,038.23/x - Step 3: Cross multiply
1,720,806,028,404.20x = 2,374,920,554,292 × 979,393,128,038.23 - Step 4: Simplify right side
1,720,806,028,404.20x = 2,325,980,870,510,328,944,787,456 - Step 5: Solve for x
x = 2,325,980,870,510,328,944,787,456/1,720,806,028,404.20 - Step 6: Final answer
x = 1,351,681,033,258.20
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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.