Finding the Fourth Proportional to 1,374,838,804.92, 1,897,439,107.20 and 772,108,482.84
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Solution
The fourth proportional to 1,374,838,804.92, 1,897,439,107.20 and 772,108,482.84 is: 1,065,600,436.28
Step by Step Solution
- Step 1: Write the proportion equation
1,374,838,804.92 : 1,897,439,107.20 = 772,108,482.84 : x - Step 2: Convert to fraction form
1,374,838,804.92/1,897,439,107.20 = 772,108,482.84/x - Step 3: Cross multiply
1,374,838,804.92x = 1,897,439,107.20 × 772,108,482.84 - Step 4: Simplify right side
1,374,838,804.92x = 1,465,028,830,341,476,096 - Step 5: Solve for x
x = 1,465,028,830,341,476,096/1,374,838,804.92 - Step 6: Final answer
x = 1,065,600,436.28
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1.5x scale
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.