Finding the Fourth Proportional to 12,312,950,101.47, 16,991,415,920.79 and 6,674,044,884.08
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Solution
The fourth proportional to 12,312,950,101.47, 16,991,415,920.79 and 6,674,044,884.08 is: 9,209,935,195.45
Step by Step Solution
- Step 1: Write the proportion equation
12,312,950,101.47 : 16,991,415,920.79 = 6,674,044,884.08 : x - Step 2: Convert to fraction form
12,312,950,101.47/16,991,415,920.79 = 6,674,044,884.08/x - Step 3: Cross multiply
12,312,950,101.47x = 16,991,415,920.79 × 6,674,044,884.08 - Step 4: Simplify right side
12,312,950,101.47x = 113,401,472,499,339,001,856 - Step 5: Solve for x
x = 113,401,472,499,339,001,856/12,312,950,101.47 - Step 6: Final answer
x = 9,209,935,195.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.