Finding the Fourth Proportional to 708,624,764.80, 1,062,937,147.20 and 609,989,315.20
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Solution
The fourth proportional to 708,624,764.80, 1,062,937,147.20 and 609,989,315.20 is: 914,983,972.80
Step by Step Solution
- Step 1: Write the proportion equation
708,624,764.80 : 1,062,937,147.20 = 609,989,315.20 : x - Step 2: Convert to fraction form
708,624,764.80/1,062,937,147.20 = 609,989,315.20/x - Step 3: Cross multiply
708,624,764.80x = 1,062,937,147.20 × 609,989,315.20 - Step 4: Simplify right side
708,624,764.80x = 648,380,302,521,169,664 - Step 5: Solve for x
x = 648,380,302,521,169,664/708,624,764.80 - Step 6: Final answer
x = 914,983,972.80
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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.