Finding the Fourth Proportional to 5,026,540,335.12, 7,537,287,929.40 and 2,928,694,702.32
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Solution
The fourth proportional to 5,026,540,335.12, 7,537,287,929.40 and 2,928,694,702.32 is: 4,391,572,285.71
Step by Step Solution
- Step 1: Write the proportion equation
5,026,540,335.12 : 7,537,287,929.40 = 2,928,694,702.32 : x - Step 2: Convert to fraction form
5,026,540,335.12/7,537,287,929.40 = 2,928,694,702.32/x - Step 3: Cross multiply
5,026,540,335.12x = 7,537,287,929.40 × 2,928,694,702.32 - Step 4: Simplify right side
5,026,540,335.12x = 22,074,415,228,694,261,760 - Step 5: Solve for x
x = 22,074,415,228,694,261,760/5,026,540,335.12 - Step 6: Final answer
x = 4,391,572,285.71
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1.5x scale
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.