Finding the Fourth Proportional to 689,413,527.18, 951,684,227.88 and 463,483,542
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Solution
The fourth proportional to 689,413,527.18, 951,684,227.88 and 463,483,542 is: 639,804,644.69
Step by Step Solution
- Step 1: Write the proportion equation
689,413,527.18 : 951,684,227.88 = 463,483,542 : x - Step 2: Convert to fraction form
689,413,527.18/951,684,227.88 = 463,483,542/x - Step 3: Cross multiply
689,413,527.18x = 951,684,227.88 × 463,483,542 - Step 4: Simplify right side
689,413,527.18x = 441,089,976,803,357,568 - Step 5: Solve for x
x = 441,089,976,803,357,568/689,413,527.18 - Step 6: Final answer
x = 639,804,644.69
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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.