Finding the Fourth Proportional to 571,296,134.49, 788,474,844.59 and 348,407,125.53
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Solution
The fourth proportional to 571,296,134.49, 788,474,844.59 and 348,407,125.53 is: 480,854,389.82
Step by Step Solution
- Step 1: Write the proportion equation
571,296,134.49 : 788,474,844.59 = 348,407,125.53 : x - Step 2: Convert to fraction form
571,296,134.49/788,474,844.59 = 348,407,125.53/x - Step 3: Cross multiply
571,296,134.49x = 788,474,844.59 × 348,407,125.53 - Step 4: Simplify right side
571,296,134.49x = 274,710,254,154,573,312 - Step 5: Solve for x
x = 274,710,254,154,573,312/571,296,134.49 - Step 6: Final answer
x = 480,854,389.82
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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.