Finding the Fourth Proportional to 1,745,867,984.99, 2,412,449,373.74 and 1,243,204,088.42
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Solution
The fourth proportional to 1,745,867,984.99, 2,412,449,373.74 and 1,243,204,088.42 is: 1,717,865,812.49
Step by Step Solution
- Step 1: Write the proportion equation
1,745,867,984.99 : 2,412,449,373.74 = 1,243,204,088.42 : x - Step 2: Convert to fraction form
1,745,867,984.99/2,412,449,373.74 = 1,243,204,088.42/x - Step 3: Cross multiply
1,745,867,984.99x = 2,412,449,373.74 × 1,243,204,088.42 - Step 4: Simplify right side
1,745,867,984.99x = 2,999,166,924,521,558,528 - Step 5: Solve for x
x = 2,999,166,924,521,558,528/1,745,867,984.99 - Step 6: Final answer
x = 1,717,865,812.49
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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.