Finding the Fourth Proportional to 1,393,804,965.58, 2,090,698,147.94 and 564,746,376.76
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Solution
The fourth proportional to 1,393,804,965.58, 2,090,698,147.94 and 564,746,376.76 is: 847,115,796.76
Step by Step Solution
- Step 1: Write the proportion equation
1,393,804,965.58 : 2,090,698,147.94 = 564,746,376.76 : x - Step 2: Convert to fraction form
1,393,804,965.58/2,090,698,147.94 = 564,746,376.76/x - Step 3: Cross multiply
1,393,804,965.58x = 2,090,698,147.94 × 564,746,376.76 - Step 4: Simplify right side
1,393,804,965.58x = 1,180,714,203,947,957,504 - Step 5: Solve for x
x = 1,180,714,203,947,957,504/1,393,804,965.58 - Step 6: Final answer
x = 847,115,796.76
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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.