Finding the Fourth Proportional to 713,351,495.20, 1,069,019,473.20 and 527,669,946.40
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Solution
The fourth proportional to 713,351,495.20, 1,069,019,473.20 and 527,669,946.40 is: 790,759,466.99
Step by Step Solution
- Step 1: Write the proportion equation
713,351,495.20 : 1,069,019,473.20 = 527,669,946.40 : x - Step 2: Convert to fraction form
713,351,495.20/1,069,019,473.20 = 527,669,946.40/x - Step 3: Cross multiply
713,351,495.20x = 1,069,019,473.20 × 527,669,946.40 - Step 4: Simplify right side
713,351,495.20x = 564,089,448,124,000,256 - Step 5: Solve for x
x = 564,089,448,124,000,256/713,351,495.20 - Step 6: Final answer
x = 790,759,466.99
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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.