Finding the Fourth Proportional to 1,430,586,109.23, 1,974,226,624.97 and 866,063,497.47
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Solution
The fourth proportional to 1,430,586,109.23, 1,974,226,624.97 and 866,063,497.47 is: 1,195,178,398.97
Step by Step Solution
- Step 1: Write the proportion equation
1,430,586,109.23 : 1,974,226,624.97 = 866,063,497.47 : x - Step 2: Convert to fraction form
1,430,586,109.23/1,974,226,624.97 = 866,063,497.47/x - Step 3: Cross multiply
1,430,586,109.23x = 1,974,226,624.97 × 866,063,497.47 - Step 4: Simplify right side
1,430,586,109.23x = 1,709,805,615,619,912,192 - Step 5: Solve for x
x = 1,709,805,615,619,912,192/1,430,586,109.23 - Step 6: Final answer
x = 1,195,178,398.97
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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.