Finding the Fourth Proportional to 1,889,572,416.40, 2,834,358,624.60 and 1,430,407,392.40
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Solution
The fourth proportional to 1,889,572,416.40, 2,834,358,624.60 and 1,430,407,392.40 is: 2,145,611,088.60
Step by Step Solution
- Step 1: Write the proportion equation
1,889,572,416.40 : 2,834,358,624.60 = 1,430,407,392.40 : x - Step 2: Convert to fraction form
1,889,572,416.40/2,834,358,624.60 = 1,430,407,392.40/x - Step 3: Cross multiply
1,889,572,416.40x = 2,834,358,624.60 × 1,430,407,392.40 - Step 4: Simplify right side
1,889,572,416.40x = 4,054,287,529,340,536,832 - Step 5: Solve for x
x = 4,054,287,529,340,536,832/1,889,572,416.40 - Step 6: Final answer
x = 2,145,611,088.60
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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.