Finding the Fourth Proportional to 766,897,408.59, 1,147,811,467.44 and 697,983,192.09
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Solution
The fourth proportional to 766,897,408.59, 1,147,811,467.44 and 697,983,192.09 is: 1,044,667,908.63
Step by Step Solution
- Step 1: Write the proportion equation
766,897,408.59 : 1,147,811,467.44 = 697,983,192.09 : x - Step 2: Convert to fraction form
766,897,408.59/1,147,811,467.44 = 697,983,192.09/x - Step 3: Cross multiply
766,897,408.59x = 1,147,811,467.44 × 697,983,192.09 - Step 4: Simplify right side
766,897,408.59x = 801,153,111,962,402,816 - Step 5: Solve for x
x = 801,153,111,962,402,816/766,897,408.59 - Step 6: Final answer
x = 1,044,667,908.63
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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.