Finding the Fourth Proportional to 454,276,572.10, 626,902,113.02 and 245,432,880.82
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Solution
The fourth proportional to 454,276,572.10, 626,902,113.02 and 245,432,880.82 is: 338,697,615.15
Step by Step Solution
- Step 1: Write the proportion equation
454,276,572.10 : 626,902,113.02 = 245,432,880.82 : x - Step 2: Convert to fraction form
454,276,572.10/626,902,113.02 = 245,432,880.82/x - Step 3: Cross multiply
454,276,572.10x = 626,902,113.02 × 245,432,880.82 - Step 4: Simplify right side
454,276,572.10x = 153,862,391,590,643,808 - Step 5: Solve for x
x = 153,862,391,590,643,808/454,276,572.10 - Step 6: Final answer
x = 338,697,615.15
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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.