Finding the Fourth Proportional to 4,220,988,400.28, 6,331,536,482.84 and 1,115,544,212.76
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Solution
The fourth proportional to 4,220,988,400.28, 6,331,536,482.84 and 1,115,544,212.76 is: 1,673,330,559.46
Step by Step Solution
- Step 1: Write the proportion equation
4,220,988,400.28 : 6,331,536,482.84 = 1,115,544,212.76 : x - Step 2: Convert to fraction form
4,220,988,400.28/6,331,536,482.84 = 1,115,544,212.76/x - Step 3: Cross multiply
4,220,988,400.28x = 6,331,536,482.84 × 1,115,544,212.76 - Step 4: Simplify right side
4,220,988,400.28x = 7,063,108,881,310,966,784 - Step 5: Solve for x
x = 7,063,108,881,310,966,784/4,220,988,400.28 - Step 6: Final answer
x = 1,673,330,559.46
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1.5x scale
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.