Finding the Fourth Proportional to 1,409,065,787.16, 1,944,555,267.92 and 844,364,552.18
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Solution
The fourth proportional to 1,409,065,787.16, 1,944,555,267.92 and 844,364,552.18 is: 1,165,249,737.05
Step by Step Solution
- Step 1: Write the proportion equation
1,409,065,787.16 : 1,944,555,267.92 = 844,364,552.18 : x - Step 2: Convert to fraction form
1,409,065,787.16/1,944,555,267.92 = 844,364,552.18/x - Step 3: Cross multiply
1,409,065,787.16x = 1,944,555,267.92 × 844,364,552.18 - Step 4: Simplify right side
1,409,065,787.16x = 1,641,913,537,972,585,984 - Step 5: Solve for x
x = 1,641,913,537,972,585,984/1,409,065,787.16 - Step 6: Final answer
x = 1,165,249,737.05
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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.