Finding the Fourth Proportional to 2,813,992,351.52, 4,221,024,449.16 and 743,696,227.04
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Solution
The fourth proportional to 2,813,992,351.52, 4,221,024,449.16 and 743,696,227.04 is: 1,115,553,834.18
Step by Step Solution
- Step 1: Write the proportion equation
2,813,992,351.52 : 4,221,024,449.16 = 743,696,227.04 : x - Step 2: Convert to fraction form
2,813,992,351.52/4,221,024,449.16 = 743,696,227.04/x - Step 3: Cross multiply
2,813,992,351.52x = 4,221,024,449.16 × 743,696,227.04 - Step 4: Simplify right side
2,813,992,351.52x = 3,139,159,957,083,886,080 - Step 5: Solve for x
x = 3,139,159,957,083,886,080/2,813,992,351.52 - Step 6: Final answer
x = 1,115,553,834.18
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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.