Finding the Fourth Proportional to 559,055,618.18, 771,531,270.73 and 308,159,444.98
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Solution
The fourth proportional to 559,055,618.18, 771,531,270.73 and 308,159,444.98 is: 425,279,060.68
Step by Step Solution
- Step 1: Write the proportion equation
559,055,618.18 : 771,531,270.73 = 308,159,444.98 : x - Step 2: Convert to fraction form
559,055,618.18/771,531,270.73 = 308,159,444.98/x - Step 3: Cross multiply
559,055,618.18x = 771,531,270.73 × 308,159,444.98 - Step 4: Simplify right side
559,055,618.18x = 237,754,648,167,472,480 - Step 5: Solve for x
x = 237,754,648,167,472,480/559,055,618.18 - Step 6: Final answer
x = 425,279,060.68
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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.