Finding the Fourth Proportional to 705,575,848.11, 1,058,137,190.09 and 232,768,609.08
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Solution
The fourth proportional to 705,575,848.11, 1,058,137,190.09 and 232,768,609.08 is: 349,078,164.47
Step by Step Solution
- Step 1: Write the proportion equation
705,575,848.11 : 1,058,137,190.09 = 232,768,609.08 : x - Step 2: Convert to fraction form
705,575,848.11/1,058,137,190.09 = 232,768,609.08/x - Step 3: Cross multiply
705,575,848.11x = 1,058,137,190.09 × 232,768,609.08 - Step 4: Simplify right side
705,575,848.11x = 246,301,121,951,905,024 - Step 5: Solve for x
x = 246,301,121,951,905,024/705,575,848.11 - Step 6: Final answer
x = 349,078,164.47
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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.