Finding the Fourth Proportional to 677,715,554.06, 935,618,565.49 and 474,343,918.53
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Solution
The fourth proportional to 677,715,554.06, 935,618,565.49 and 474,343,918.53 is: 654,854,346.99
Step by Step Solution
- Step 1: Write the proportion equation
677,715,554.06 : 935,618,565.49 = 474,343,918.53 : x - Step 2: Convert to fraction form
677,715,554.06/935,618,565.49 = 474,343,918.53/x - Step 3: Cross multiply
677,715,554.06x = 935,618,565.49 × 474,343,918.53 - Step 4: Simplify right side
677,715,554.06x = 443,804,976,599,249,600 - Step 5: Solve for x
x = 443,804,976,599,249,600/677,715,554.06 - Step 6: Final answer
x = 654,854,346.99
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1.5x scale
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.