Finding the Fourth Proportional to 453,114,110.20, 679,671,165.30 and 402,053,783.80
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Solution
The fourth proportional to 453,114,110.20, 679,671,165.30 and 402,053,783.80 is: 603,080,675.70
Step by Step Solution
- Step 1: Write the proportion equation
453,114,110.20 : 679,671,165.30 = 402,053,783.80 : x - Step 2: Convert to fraction form
453,114,110.20/679,671,165.30 = 402,053,783.80/x - Step 3: Cross multiply
453,114,110.20x = 679,671,165.30 × 402,053,783.80 - Step 4: Simplify right side
453,114,110.20x = 273,264,363,748,620,256 - Step 5: Solve for x
x = 273,264,363,748,620,256/453,114,110.20 - Step 6: Final answer
x = 603,080,675.70
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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.