Finding the Fourth Proportional to 606,266,681.70, 909,400,022.55 and 376,684,169.70
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Solution
The fourth proportional to 606,266,681.70, 909,400,022.55 and 376,684,169.70 is: 565,026,254.55
Step by Step Solution
- Step 1: Write the proportion equation
606,266,681.70 : 909,400,022.55 = 376,684,169.70 : x - Step 2: Convert to fraction form
606,266,681.70/909,400,022.55 = 376,684,169.70/x - Step 3: Cross multiply
606,266,681.70x = 909,400,022.55 × 376,684,169.70 - Step 4: Simplify right side
606,266,681.70x = 342,556,592,419,408,000 - Step 5: Solve for x
x = 342,556,592,419,408,000/606,266,681.70 - Step 6: Final answer
x = 565,026,254.55
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1.5x scale
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.