Finding the Fourth Proportional to 571,296,134.99, 788,474,845.28 and 348,407,126.03
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Solution
The fourth proportional to 571,296,134.99, 788,474,845.28 and 348,407,126.03 is: 480,854,390.51
Step by Step Solution
- Step 1: Write the proportion equation
571,296,134.99 : 788,474,845.28 = 348,407,126.03 : x - Step 2: Convert to fraction form
571,296,134.99/788,474,845.28 = 348,407,126.03/x - Step 3: Cross multiply
571,296,134.99x = 788,474,845.28 × 348,407,126.03 - Step 4: Simplify right side
571,296,134.99x = 274,710,254,789,211,648 - Step 5: Solve for x
x = 274,710,254,789,211,648/571,296,134.99 - Step 6: Final answer
x = 480,854,390.51
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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.