Finding the Fourth Proportional to 2,366,921,330.10, 3,550,381,995.15 and 987,725,646.90
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Solution
The fourth proportional to 2,366,921,330.10, 3,550,381,995.15 and 987,725,646.90 is: 1,481,588,470.35
Step by Step Solution
- Step 1: Write the proportion equation
2,366,921,330.10 : 3,550,381,995.15 = 987,725,646.90 : x - Step 2: Convert to fraction form
2,366,921,330.10/3,550,381,995.15 = 987,725,646.90/x - Step 3: Cross multiply
2,366,921,330.10x = 3,550,381,995.15 × 987,725,646.90 - Step 4: Simplify right side
2,366,921,330.10x = 3,506,803,352,901,646,336 - Step 5: Solve for x
x = 3,506,803,352,901,646,336/2,366,921,330.10 - Step 6: Final answer
x = 1,481,588,470.35
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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.