Finding the Fourth Proportional to 372,515,225.84, 514,082,659.08 and 213,774,389.63
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Solution
The fourth proportional to 372,515,225.84, 514,082,659.08 and 213,774,389.63 is: 295,015,341.77
Step by Step Solution
- Step 1: Write the proportion equation
372,515,225.84 : 514,082,659.08 = 213,774,389.63 : x - Step 2: Convert to fraction form
372,515,225.84/514,082,659.08 = 213,774,389.63/x - Step 3: Cross multiply
372,515,225.84x = 514,082,659.08 × 213,774,389.63 - Step 4: Simplify right side
372,515,225.84x = 109,897,706,664,194,368 - Step 5: Solve for x
x = 109,897,706,664,194,368/372,515,225.84 - Step 6: Final answer
x = 295,015,341.77
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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.