Finding the Fourth Proportional to 672,882,701.56, 928,539,386 and 375,501,603.99
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Solution
The fourth proportional to 672,882,701.56, 928,539,386 and 375,501,603.99 is: 518,170,593.48
Step by Step Solution
- Step 1: Write the proportion equation
672,882,701.56 : 928,539,386 = 375,501,603.99 : x - Step 2: Convert to fraction form
672,882,701.56/928,539,386 = 375,501,603.99/x - Step 3: Cross multiply
672,882,701.56x = 928,539,386 × 375,501,603.99 - Step 4: Simplify right side
672,882,701.56x = 348,668,028,810,889,728 - Step 5: Solve for x
x = 348,668,028,810,889,728/672,882,701.56 - Step 6: Final answer
x = 518,170,593.48
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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.