Finding the Fourth Proportional to 1,612,812,905.20, 2,417,518,746.60 and 629,859,631.60
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Solution
The fourth proportional to 1,612,812,905.20, 2,417,518,746.60 and 629,859,631.60 is: 944,125,299.48
Step by Step Solution
- Step 1: Write the proportion equation
1,612,812,905.20 : 2,417,518,746.60 = 629,859,631.60 : x - Step 2: Convert to fraction form
1,612,812,905.20/2,417,518,746.60 = 629,859,631.60/x - Step 3: Cross multiply
1,612,812,905.20x = 2,417,518,746.60 × 629,859,631.60 - Step 4: Simplify right side
1,612,812,905.20x = 1,522,697,467,119,569,664 - Step 5: Solve for x
x = 1,522,697,467,119,569,664/1,612,812,905.20 - Step 6: Final answer
x = 944,125,299.48
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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.