Finding the Fourth Proportional to 1,720,426,437,571.40, 2,374,180,205,974 and 949,668,387,257.96
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Solution
The fourth proportional to 1,720,426,437,571.40, 2,374,180,205,974 and 949,668,387,257.96 is: 1,310,537,805,062.95
Step by Step Solution
- Step 1: Write the proportion equation
1,720,426,437,571.40 : 2,374,180,205,974 = 949,668,387,257.96 : x - Step 2: Convert to fraction form
1,720,426,437,571.40/2,374,180,205,974 = 949,668,387,257.96/x - Step 3: Cross multiply
1,720,426,437,571.40x = 2,374,180,205,974 × 949,668,387,257.96 - Step 4: Simplify right side
1,720,426,437,571.40x = 2,254,683,887,267,099,850,047,488 - Step 5: Solve for x
x = 2,254,683,887,267,099,850,047,488/1,720,426,437,571.40 - Step 6: Final answer
x = 1,310,537,805,062.95
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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.