Finding the Fourth Proportional to 797,258,068.40, 1,195,887,102.60 and 312,583,876.40
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Solution
The fourth proportional to 797,258,068.40, 1,195,887,102.60 and 312,583,876.40 is: 468,875,814.60
Step by Step Solution
- Step 1: Write the proportion equation
797,258,068.40 : 1,195,887,102.60 = 312,583,876.40 : x - Step 2: Convert to fraction form
797,258,068.40/1,195,887,102.60 = 312,583,876.40/x - Step 3: Cross multiply
797,258,068.40x = 1,195,887,102.60 × 312,583,876.40 - Step 4: Simplify right side
797,258,068.40x = 373,815,026,267,472,448 - Step 5: Solve for x
x = 373,815,026,267,472,448/797,258,068.40 - Step 6: Final answer
x = 468,875,814.60
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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.