Finding the Fourth Proportional to 610,628,556.14, 916,330,241.17 and 260,877,259.15
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Solution
The fourth proportional to 610,628,556.14, 916,330,241.17 and 260,877,259.15 is: 391,481,399.59
Step by Step Solution
- Step 1: Write the proportion equation
610,628,556.14 : 916,330,241.17 = 260,877,259.15 : x - Step 2: Convert to fraction form
610,628,556.14/916,330,241.17 = 260,877,259.15/x - Step 3: Cross multiply
610,628,556.14x = 916,330,241.17 × 260,877,259.15 - Step 4: Simplify right side
610,628,556.14x = 239,049,721,789,745,088 - Step 5: Solve for x
x = 239,049,721,789,745,088/610,628,556.14 - Step 6: Final answer
x = 391,481,399.59
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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.