Finding the Fourth Proportional to 1,544,665,652.40, 2,316,998,478.60 and 1,054,889,626.80
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Solution
The fourth proportional to 1,544,665,652.40, 2,316,998,478.60 and 1,054,889,626.80 is: 1,582,334,440.20
Step by Step Solution
- Step 1: Write the proportion equation
1,544,665,652.40 : 2,316,998,478.60 = 1,054,889,626.80 : x - Step 2: Convert to fraction form
1,544,665,652.40/2,316,998,478.60 = 1,054,889,626.80/x - Step 3: Cross multiply
1,544,665,652.40x = 2,316,998,478.60 × 1,054,889,626.80 - Step 4: Simplify right side
1,544,665,652.40x = 2,444,177,660,386,521,600 - Step 5: Solve for x
x = 2,444,177,660,386,521,600/1,544,665,652.40 - Step 6: Final answer
x = 1,582,334,440.20
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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.