Finding the Fourth Proportional to 558,572,998.05, 770,802,247.65 and 307,671,988.62
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Solution
The fourth proportional to 558,572,998.05, 770,802,247.65 and 307,671,988.62 is: 424,571,651.68
Step by Step Solution
- Step 1: Write the proportion equation
558,572,998.05 : 770,802,247.65 = 307,671,988.62 : x - Step 2: Convert to fraction form
558,572,998.05/770,802,247.65 = 307,671,988.62/x - Step 3: Cross multiply
558,572,998.05x = 770,802,247.65 × 307,671,988.62 - Step 4: Simplify right side
558,572,998.05x = 237,154,260,365,702,848 - Step 5: Solve for x
x = 237,154,260,365,702,848/558,572,998.05 - Step 6: Final answer
x = 424,571,651.68
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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.