Finding the Fourth Proportional to 1,586,313,612.90, 2,379,470,419.35 and 1,554,064,985.70
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Solution
The fourth proportional to 1,586,313,612.90, 2,379,470,419.35 and 1,554,064,985.70 is: 2,331,097,478.55
Step by Step Solution
- Step 1: Write the proportion equation
1,586,313,612.90 : 2,379,470,419.35 = 1,554,064,985.70 : x - Step 2: Convert to fraction form
1,586,313,612.90/2,379,470,419.35 = 1,554,064,985.70/x - Step 3: Cross multiply
1,586,313,612.90x = 2,379,470,419.35 × 1,554,064,985.70 - Step 4: Simplify right side
1,586,313,612.90x = 3,697,851,663,220,730,880 - Step 5: Solve for x
x = 3,697,851,663,220,730,880/1,586,313,612.90 - Step 6: Final answer
x = 2,331,097,478.55
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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.