Finding the Fourth Proportional to 2,199,927,585.46, 3,043,894,432.44 and 1,918,257,378.70
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Solution
The fourth proportional to 2,199,927,585.46, 3,043,894,432.44 and 1,918,257,378.70 is: 2,654,165,979.65
Step by Step Solution
- Step 1: Write the proportion equation
2,199,927,585.46 : 3,043,894,432.44 = 1,918,257,378.70 : x - Step 2: Convert to fraction form
2,199,927,585.46/3,043,894,432.44 = 1,918,257,378.70/x - Step 3: Cross multiply
2,199,927,585.46x = 3,043,894,432.44 × 1,918,257,378.70 - Step 4: Simplify right side
2,199,927,585.46x = 5,838,972,955,011,878,912 - Step 5: Solve for x
x = 5,838,972,955,011,878,912/2,199,927,585.46 - Step 6: Final answer
x = 2,654,165,979.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.