Finding the Fourth Proportional to 911,166,774.58, 1,367,247,720.17 and 386,454,258.28
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Solution
The fourth proportional to 911,166,774.58, 1,367,247,720.17 and 386,454,258.28 is: 579,892,417.42
Step by Step Solution
- Step 1: Write the proportion equation
911,166,774.58 : 1,367,247,720.17 = 386,454,258.28 : x - Step 2: Convert to fraction form
911,166,774.58/1,367,247,720.17 = 386,454,258.28/x - Step 3: Cross multiply
911,166,774.58x = 1,367,247,720.17 × 386,454,258.28 - Step 4: Simplify right side
911,166,774.58x = 528,378,703,583,318,336 - Step 5: Solve for x
x = 528,378,703,583,318,336/911,166,774.58 - Step 6: Final answer
x = 579,892,417.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.