Finding the Fourth Proportional to 371,486,693.36, 512,621,164.72 and 218,698,958.63
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Solution
The fourth proportional to 371,486,693.36, 512,621,164.72 and 218,698,958.63 is: 301,786,623.59
Step by Step Solution
- Step 1: Write the proportion equation
371,486,693.36 : 512,621,164.72 = 218,698,958.63 : x - Step 2: Convert to fraction form
371,486,693.36/512,621,164.72 = 218,698,958.63/x - Step 3: Cross multiply
371,486,693.36x = 512,621,164.72 × 218,698,958.63 - Step 4: Simplify right side
371,486,693.36x = 112,109,714,896,696,496 - Step 5: Solve for x
x = 112,109,714,896,696,496/371,486,693.36 - Step 6: Final answer
x = 301,786,623.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.