Finding the Fourth Proportional to 2,758,127,662.08, 4,136,426,023.68 and 765,712,005.12
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Solution
The fourth proportional to 2,758,127,662.08, 4,136,426,023.68 and 765,712,005.12 is: 1,148,355,497.89
Step by Step Solution
- Step 1: Write the proportion equation
2,758,127,662.08 : 4,136,426,023.68 = 765,712,005.12 : x - Step 2: Convert to fraction form
2,758,127,662.08/4,136,426,023.68 = 765,712,005.12/x - Step 3: Cross multiply
2,758,127,662.08x = 4,136,426,023.68 × 765,712,005.12 - Step 4: Simplify right side
2,758,127,662.08x = 3,167,311,064,622,561,280 - Step 5: Solve for x
x = 3,167,311,064,622,561,280/2,758,127,662.08 - Step 6: Final answer
x = 1,148,355,497.89
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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.