Finding the Fourth Proportional to 2,689,386,126.10, 3,711,357,806.38 and 1,500,031,755.62
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Solution
The fourth proportional to 2,689,386,126.10, 3,711,357,806.38 and 1,500,031,755.62 is: 2,070,046,584.98
Step by Step Solution
- Step 1: Write the proportion equation
2,689,386,126.10 : 3,711,357,806.38 = 1,500,031,755.62 : x - Step 2: Convert to fraction form
2,689,386,126.10/3,711,357,806.38 = 1,500,031,755.62/x - Step 3: Cross multiply
2,689,386,126.10x = 3,711,357,806.38 × 1,500,031,755.62 - Step 4: Simplify right side
2,689,386,126.10x = 5,567,154,566,038,182,912 - Step 5: Solve for x
x = 5,567,154,566,038,182,912/2,689,386,126.10 - Step 6: Final answer
x = 2,070,046,584.98
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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.