Finding the Fourth Proportional to 1,249,281,821.91, 1,862,753,832.04 and 1,214,958,787.95
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Solution
The fourth proportional to 1,249,281,821.91, 1,862,753,832.04 and 1,214,958,787.95 is: 1,811,576,137.85
Step by Step Solution
- Step 1: Write the proportion equation
1,249,281,821.91 : 1,862,753,832.04 = 1,214,958,787.95 : x - Step 2: Convert to fraction form
1,249,281,821.91/1,862,753,832.04 = 1,214,958,787.95/x - Step 3: Cross multiply
1,249,281,821.91x = 1,862,753,832.04 × 1,214,958,787.95 - Step 4: Simplify right side
1,249,281,821.91x = 2,263,169,138,021,498,880 - Step 5: Solve for x
x = 2,263,169,138,021,498,880/1,249,281,821.91 - Step 6: Final answer
x = 1,811,576,137.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.