Finding the Fourth Proportional to 388,176,768,363.98, 582,327,719,931.48 and 119,565,623,636
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Solution
The fourth proportional to 388,176,768,363.98, 582,327,719,931.48 and 119,565,623,636 is: 179,367,707,365.87
Step by Step Solution
- Step 1: Write the proportion equation
388,176,768,363.98 : 582,327,719,931.48 = 119,565,623,636 : x - Step 2: Convert to fraction form
388,176,768,363.98/582,327,719,931.48 = 119,565,623,636/x - Step 3: Cross multiply
388,176,768,363.98x = 582,327,719,931.48 × 119,565,623,636 - Step 4: Simplify right side
388,176,768,363.98x = 69,626,376,994,137,353,224,192 - Step 5: Solve for x
x = 69,626,376,994,137,353,224,192/388,176,768,363.98 - Step 6: Final answer
x = 179,367,707,365.87
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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.