Finding the Fourth Proportional to 528,869,267.36, 793,307,281.56 and 155,375,625.71
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Solution
The fourth proportional to 528,869,267.36, 793,307,281.56 and 155,375,625.71 is: 233,064,431.72
Step by Step Solution
- Step 1: Write the proportion equation
528,869,267.36 : 793,307,281.56 = 155,375,625.71 : x - Step 2: Convert to fraction form
528,869,267.36/793,307,281.56 = 155,375,625.71/x - Step 3: Cross multiply
528,869,267.36x = 793,307,281.56 × 155,375,625.71 - Step 4: Simplify right side
528,869,267.36x = 123,260,615,250,491,632 - Step 5: Solve for x
x = 123,260,615,250,491,632/528,869,267.36 - Step 6: Final answer
x = 233,064,431.72
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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.