Finding the Fourth Proportional to 1,214,267,879.76, 1,675,690,234.71 and 657,350,926.82
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Solution
The fourth proportional to 1,214,267,879.76, 1,675,690,234.71 and 657,350,926.82 is: 907,144,582.52
Step by Step Solution
- Step 1: Write the proportion equation
1,214,267,879.76 : 1,675,690,234.71 = 657,350,926.82 : x - Step 2: Convert to fraction form
1,214,267,879.76/1,675,690,234.71 = 657,350,926.82/x - Step 3: Cross multiply
1,214,267,879.76x = 1,675,690,234.71 × 657,350,926.82 - Step 4: Simplify right side
1,214,267,879.76x = 1,101,516,528,854,031,104 - Step 5: Solve for x
x = 1,101,516,528,854,031,104/1,214,267,879.76 - Step 6: Final answer
x = 907,144,582.52
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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.