Finding the Fourth Proportional to 2,587,264,164.20, 3,880,896,246.30 and 1,033,787,325.80
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Solution
The fourth proportional to 2,587,264,164.20, 3,880,896,246.30 and 1,033,787,325.80 is: 1,550,680,988.70
Step by Step Solution
- Step 1: Write the proportion equation
2,587,264,164.20 : 3,880,896,246.30 = 1,033,787,325.80 : x - Step 2: Convert to fraction form
2,587,264,164.20/3,880,896,246.30 = 1,033,787,325.80/x - Step 3: Cross multiply
2,587,264,164.20x = 3,880,896,246.30 × 1,033,787,325.80 - Step 4: Simplify right side
2,587,264,164.20x = 4,012,021,352,169,735,168 - Step 5: Solve for x
x = 4,012,021,352,169,735,168/2,587,264,164.20 - Step 6: Final answer
x = 1,550,680,988.70
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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.