Finding the Fourth Proportional to 453,310,852.80, 679,966,279.20 and 354,675,403.20
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Solution
The fourth proportional to 453,310,852.80, 679,966,279.20 and 354,675,403.20 is: 532,013,104.80
Step by Step Solution
- Step 1: Write the proportion equation
453,310,852.80 : 679,966,279.20 = 354,675,403.20 : x - Step 2: Convert to fraction form
453,310,852.80/679,966,279.20 = 354,675,403.20/x - Step 3: Cross multiply
453,310,852.80x = 679,966,279.20 × 354,675,403.20 - Step 4: Simplify right side
453,310,852.80x = 241,167,314,237,663,776 - Step 5: Solve for x
x = 241,167,314,237,663,776/453,310,852.80 - Step 6: Final answer
x = 532,013,104.80
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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.