Finding the Fourth Proportional to 572,554,494.19, 790,159,029.92 and 431,176,282.87
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Solution
The fourth proportional to 572,554,494.19, 790,159,029.92 and 431,176,282.87 is: 595,048,745.32
Step by Step Solution
- Step 1: Write the proportion equation
572,554,494.19 : 790,159,029.92 = 431,176,282.87 : x - Step 2: Convert to fraction form
572,554,494.19/790,159,029.92 = 431,176,282.87/x - Step 3: Cross multiply
572,554,494.19x = 790,159,029.92 × 431,176,282.87 - Step 4: Simplify right side
572,554,494.19x = 340,697,833,397,070,720 - Step 5: Solve for x
x = 340,697,833,397,070,720/572,554,494.19 - Step 6: Final answer
x = 595,048,745.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.