Finding the Fourth Proportional to 453,411,476.76, 679,408,627.08 and 315,506,523.08
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Solution
The fourth proportional to 453,411,476.76, 679,408,627.08 and 315,506,523.08 is: 472,766,713.39
Step by Step Solution
- Step 1: Write the proportion equation
453,411,476.76 : 679,408,627.08 = 315,506,523.08 : x - Step 2: Convert to fraction form
453,411,476.76/679,408,627.08 = 315,506,523.08/x - Step 3: Cross multiply
453,411,476.76x = 679,408,627.08 × 315,506,523.08 - Step 4: Simplify right side
453,411,476.76x = 214,357,853,680,567,136 - Step 5: Solve for x
x = 214,357,853,680,567,136/453,411,476.76 - Step 6: Final answer
x = 472,766,713.39
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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.