Finding the Fourth Proportional to 575,209,225.80, 862,813,838.70 and 479,549,845.80
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Solution
The fourth proportional to 575,209,225.80, 862,813,838.70 and 479,549,845.80 is: 719,324,768.70
Step by Step Solution
- Step 1: Write the proportion equation
575,209,225.80 : 862,813,838.70 = 479,549,845.80 : x - Step 2: Convert to fraction form
575,209,225.80/862,813,838.70 = 479,549,845.80/x - Step 3: Cross multiply
575,209,225.80x = 862,813,838.70 × 479,549,845.80 - Step 4: Simplify right side
575,209,225.80x = 413,762,243,302,691,136 - Step 5: Solve for x
x = 413,762,243,302,691,136/575,209,225.80 - Step 6: Final answer
x = 719,324,768.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.