Finding the Fourth Proportional to 1,337,731,448.64, 2,006,855,583.04 and 508,620,626.08
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Solution
The fourth proportional to 1,337,731,448.64, 2,006,855,583.04 and 508,620,626.08 is: 763,029,189.55
Step by Step Solution
- Step 1: Write the proportion equation
1,337,731,448.64 : 2,006,855,583.04 = 508,620,626.08 : x - Step 2: Convert to fraction form
1,337,731,448.64/2,006,855,583.04 = 508,620,626.08/x - Step 3: Cross multiply
1,337,731,448.64x = 2,006,855,583.04 × 508,620,626.08 - Step 4: Simplify right side
1,337,731,448.64x = 1,020,728,143,097,948,160 - Step 5: Solve for x
x = 1,020,728,143,097,948,160/1,337,731,448.64 - Step 6: Final answer
x = 763,029,189.55
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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.