Finding the Fourth Proportional to 670,710,377.92, 925,570,840.96 and 377,354,246.08
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Solution
The fourth proportional to 670,710,377.92, 925,570,840.96 and 377,354,246.08 is: 520,743,525.64
Step by Step Solution
- Step 1: Write the proportion equation
670,710,377.92 : 925,570,840.96 = 377,354,246.08 : x - Step 2: Convert to fraction form
670,710,377.92/925,570,840.96 = 377,354,246.08/x - Step 3: Cross multiply
670,710,377.92x = 925,570,840.96 × 377,354,246.08 - Step 4: Simplify right side
670,710,377.92x = 349,268,086,884,092,352 - Step 5: Solve for x
x = 349,268,086,884,092,352/670,710,377.92 - Step 6: Final answer
x = 520,743,525.64
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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.