Finding the Fourth Proportional to 2,912,257,476.60, 4,368,386,214.90 and 1,880,301,406.20
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Solution
The fourth proportional to 2,912,257,476.60, 4,368,386,214.90 and 1,880,301,406.20 is: 2,820,452,109.30
Step by Step Solution
- Step 1: Write the proportion equation
2,912,257,476.60 : 4,368,386,214.90 = 1,880,301,406.20 : x - Step 2: Convert to fraction form
2,912,257,476.60/4,368,386,214.90 = 1,880,301,406.20/x - Step 3: Cross multiply
2,912,257,476.60x = 4,368,386,214.90 × 1,880,301,406.20 - Step 4: Simplify right side
2,912,257,476.60x = 8,213,882,742,701,164,544 - Step 5: Solve for x
x = 8,213,882,742,701,164,544/2,912,257,476.60 - Step 6: Final answer
x = 2,820,452,109.30
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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.