Finding the Fourth Proportional to 2,031,236,530.11, 2,803,412,806.38 and 1,238,742,224.46
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Solution
The fourth proportional to 2,031,236,530.11, 2,803,412,806.38 and 1,238,742,224.46 is: 1,709,651,123.53
Step by Step Solution
- Step 1: Write the proportion equation
2,031,236,530.11 : 2,803,412,806.38 = 1,238,742,224.46 : x - Step 2: Convert to fraction form
2,031,236,530.11/2,803,412,806.38 = 1,238,742,224.46/x - Step 3: Cross multiply
2,031,236,530.11x = 2,803,412,806.38 × 1,238,742,224.46 - Step 4: Simplify right side
2,031,236,530.11x = 3,472,705,815,854,812,672 - Step 5: Solve for x
x = 3,472,705,815,854,812,672/2,031,236,530.11 - Step 6: Final answer
x = 1,709,651,123.53
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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.