Finding the Fourth Proportional to 2,520,711,568.51, 3,478,886,997.30 and 1,434,657,515.49
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Solution
The fourth proportional to 2,520,711,568.51, 3,478,886,997.30 and 1,434,657,515.49 is: 1,980,000,980.11
Step by Step Solution
- Step 1: Write the proportion equation
2,520,711,568.51 : 3,478,886,997.30 = 1,434,657,515.49 : x - Step 2: Convert to fraction form
2,520,711,568.51/3,478,886,997.30 = 1,434,657,515.49/x - Step 3: Cross multiply
2,520,711,568.51x = 3,478,886,997.30 × 1,434,657,515.49 - Step 4: Simplify right side
2,520,711,568.51x = 4,991,011,376,216,884,224 - Step 5: Solve for x
x = 4,991,011,376,216,884,224/2,520,711,568.51 - Step 6: Final answer
x = 1,980,000,980.11
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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.