Finding the Fourth Proportional to 639,152,132.29, 882,639,095.33 and 604,331,609.49
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Solution
The fourth proportional to 639,152,132.29, 882,639,095.33 and 604,331,609.49 is: 834,553,587.69
Step by Step Solution
- Step 1: Write the proportion equation
639,152,132.29 : 882,639,095.33 = 604,331,609.49 : x - Step 2: Convert to fraction form
639,152,132.29/882,639,095.33 = 604,331,609.49/x - Step 3: Cross multiply
639,152,132.29x = 882,639,095.33 × 604,331,609.49 - Step 4: Simplify right side
639,152,132.29x = 533,406,705,081,087,296 - Step 5: Solve for x
x = 533,406,705,081,087,296/639,152,132.29 - Step 6: Final answer
x = 834,553,587.69
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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.