Finding the Fourth Proportional to 331,849,510.80, 497,774,266.20 and 298,971,027.60
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Solution
The fourth proportional to 331,849,510.80, 497,774,266.20 and 298,971,027.60 is: 448,456,541.40
Step by Step Solution
- Step 1: Write the proportion equation
331,849,510.80 : 497,774,266.20 = 298,971,027.60 : x - Step 2: Convert to fraction form
331,849,510.80/497,774,266.20 = 298,971,027.60/x - Step 3: Cross multiply
331,849,510.80x = 497,774,266.20 × 298,971,027.60 - Step 4: Simplify right side
331,849,510.80x = 148,820,083,878,649,952 - Step 5: Solve for x
x = 148,820,083,878,649,952/331,849,510.80 - Step 6: Final answer
x = 448,456,541.40
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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.