Finding the Fourth Proportional to 2,126,299,747.60, 3,189,449,621.40 and 1,896,976,176.40
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Solution
The fourth proportional to 2,126,299,747.60, 3,189,449,621.40 and 1,896,976,176.40 is: 2,845,464,264.60
Step by Step Solution
- Step 1: Write the proportion equation
2,126,299,747.60 : 3,189,449,621.40 = 1,896,976,176.40 : x - Step 2: Convert to fraction form
2,126,299,747.60/3,189,449,621.40 = 1,896,976,176.40/x - Step 3: Cross multiply
2,126,299,747.60x = 3,189,449,621.40 × 1,896,976,176.40 - Step 4: Simplify right side
2,126,299,747.60x = 6,050,309,947,623,799,808 - Step 5: Solve for x
x = 6,050,309,947,623,799,808/2,126,299,747.60 - Step 6: Final answer
x = 2,845,464,264.60
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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.