Finding the Fourth Proportional to 2,991,376,231.62, 4,487,058,330.21 and 2,809,341,581.46
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Solution
The fourth proportional to 2,991,376,231.62, 4,487,058,330.21 and 2,809,341,581.46 is: 4,214,006,721.14
Step by Step Solution
- Step 1: Write the proportion equation
2,991,376,231.62 : 4,487,058,330.21 = 2,809,341,581.46 : x - Step 2: Convert to fraction form
2,991,376,231.62/4,487,058,330.21 = 2,809,341,581.46/x - Step 3: Cross multiply
2,991,376,231.62x = 4,487,058,330.21 × 2,809,341,581.46 - Step 4: Simplify right side
2,991,376,231.62x = 12,605,679,545,495,429,120 - Step 5: Solve for x
x = 12,605,679,545,495,429,120/2,991,376,231.62 - Step 6: Final answer
x = 4,214,006,721.14
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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.