Finding the Fourth Proportional to 1,072,258,129.98, 1,607,466,042.64 and 372,659,380.68
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Solution
The fourth proportional to 1,072,258,129.98, 1,607,466,042.64 and 372,659,380.68 is: 558,668,927.91
Step by Step Solution
- Step 1: Write the proportion equation
1,072,258,129.98 : 1,607,466,042.64 = 372,659,380.68 : x - Step 2: Convert to fraction form
1,072,258,129.98/1,607,466,042.64 = 372,659,380.68/x - Step 3: Cross multiply
1,072,258,129.98x = 1,607,466,042.64 × 372,659,380.68 - Step 4: Simplify right side
1,072,258,129.98x = 599,037,299,918,838,400 - Step 5: Solve for x
x = 599,037,299,918,838,400/1,072,258,129.98 - Step 6: Final answer
x = 558,668,927.91
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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.