Finding the Fourth Proportional to 524,616,648.36, 783,523,668.63 and 475,334,036.88
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Solution
The fourth proportional to 524,616,648.36, 783,523,668.63 and 475,334,036.88 is: 709,919,270.70
Step by Step Solution
- Step 1: Write the proportion equation
524,616,648.36 : 783,523,668.63 = 475,334,036.88 : x - Step 2: Convert to fraction form
524,616,648.36/783,523,668.63 = 475,334,036.88/x - Step 3: Cross multiply
524,616,648.36x = 783,523,668.63 × 475,334,036.88 - Step 4: Simplify right side
524,616,648.36x = 372,435,468,400,925,312 - Step 5: Solve for x
x = 372,435,468,400,925,312/524,616,648.36 - Step 6: Final answer
x = 709,919,270.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.