Finding the Fourth Proportional to 686,927,082,056.13, 1,030,861,291,044.20 and 239,746,982,521.41
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Solution
The fourth proportional to 686,927,082,056.13, 1,030,861,291,044.20 and 239,746,982,521.41 is: 359,784,743,362.00
Step by Step Solution
- Step 1: Write the proportion equation
686,927,082,056.13 : 1,030,861,291,044.20 = 239,746,982,521.41 : x - Step 2: Convert to fraction form
686,927,082,056.13/1,030,861,291,044.20 = 239,746,982,521.41/x - Step 3: Cross multiply
686,927,082,056.13x = 1,030,861,291,044.20 × 239,746,982,521.41 - Step 4: Simplify right side
686,927,082,056.13x = 247,145,883,925,971,952,730,112 - Step 5: Solve for x
x = 247,145,883,925,971,952,730,112/686,927,082,056.13 - Step 6: Final answer
x = 359,784,743,362.00
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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.