Finding the Fourth Proportional to 453,114,107.70, 679,671,161.55 and 402,053,781.30
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Solution
The fourth proportional to 453,114,107.70, 679,671,161.55 and 402,053,781.30 is: 603,080,671.95
Step by Step Solution
- Step 1: Write the proportion equation
453,114,107.70 : 679,671,161.55 = 402,053,781.30 : x - Step 2: Convert to fraction form
453,114,107.70/679,671,161.55 = 402,053,781.30/x - Step 3: Cross multiply
453,114,107.70x = 679,671,161.55 × 402,053,781.30 - Step 4: Simplify right side
453,114,107.70x = 273,264,360,541,740,672 - Step 5: Solve for x
x = 273,264,360,541,740,672/453,114,107.70 - Step 6: Final answer
x = 603,080,671.95
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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.