Finding the Fourth Proportional to 1,344,812,075.80, 2,017,218,113.70 and 526,652,459.80
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Solution
The fourth proportional to 1,344,812,075.80, 2,017,218,113.70 and 526,652,459.80 is: 789,978,689.70
Step by Step Solution
- Step 1: Write the proportion equation
1,344,812,075.80 : 2,017,218,113.70 = 526,652,459.80 : x - Step 2: Convert to fraction form
1,344,812,075.80/2,017,218,113.70 = 526,652,459.80/x - Step 3: Cross multiply
1,344,812,075.80x = 2,017,218,113.70 × 526,652,459.80 - Step 4: Simplify right side
1,344,812,075.80x = 1,062,372,881,533,221,120 - Step 5: Solve for x
x = 1,062,372,881,533,221,120/1,344,812,075.80 - Step 6: Final answer
x = 789,978,689.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.