Finding the Fourth Proportional to 1,972,323,834.87, 2,721,850,950.84 and 1,125,534,298.35
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Solution
The fourth proportional to 1,972,323,834.87, 2,721,850,950.84 and 1,125,534,298.35 is: 1,553,262,474.45
Step by Step Solution
- Step 1: Write the proportion equation
1,972,323,834.87 : 2,721,850,950.84 = 1,125,534,298.35 : x - Step 2: Convert to fraction form
1,972,323,834.87/2,721,850,950.84 = 1,125,534,298.35/x - Step 3: Cross multiply
1,972,323,834.87x = 2,721,850,950.84 × 1,125,534,298.35 - Step 4: Simplify right side
1,972,323,834.87x = 3,063,536,600,166,979,584 - Step 5: Solve for x
x = 3,063,536,600,166,979,584/1,972,323,834.87 - Step 6: Final answer
x = 1,553,262,474.45
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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.