Finding the Fourth Proportional to 5,878,818,209.80, 8,818,227,314.70 and 2,613,644,705.80
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Solution
The fourth proportional to 5,878,818,209.80, 8,818,227,314.70 and 2,613,644,705.80 is: 3,920,467,058.70
Step by Step Solution
- Step 1: Write the proportion equation
5,878,818,209.80 : 8,818,227,314.70 = 2,613,644,705.80 : x - Step 2: Convert to fraction form
5,878,818,209.80/8,818,227,314.70 = 2,613,644,705.80/x - Step 3: Cross multiply
5,878,818,209.80x = 8,818,227,314.70 × 2,613,644,705.80 - Step 4: Simplify right side
5,878,818,209.80x = 23,047,713,135,606,607,872 - Step 5: Solve for x
x = 23,047,713,135,606,607,872/5,878,818,209.80 - Step 6: Final answer
x = 3,920,467,058.70
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1.5x scale
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.