Finding the Fourth Proportional to 602,292,139.80, 903,438,209.70 and 449,237,131.80
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Solution
The fourth proportional to 602,292,139.80, 903,438,209.70 and 449,237,131.80 is: 673,855,697.70
Step by Step Solution
- Step 1: Write the proportion equation
602,292,139.80 : 903,438,209.70 = 449,237,131.80 : x - Step 2: Convert to fraction form
602,292,139.80/903,438,209.70 = 449,237,131.80/x - Step 3: Cross multiply
602,292,139.80x = 903,438,209.70 × 449,237,131.80 - Step 4: Simplify right side
602,292,139.80x = 405,857,990,084,154,944 - Step 5: Solve for x
x = 405,857,990,084,154,944/602,292,139.80 - Step 6: Final answer
x = 673,855,697.70
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.