Finding the Fourth Proportional to 2,090,680,869.86, 3,134,875,058.35 and 828,866,714.19
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Solution
The fourth proportional to 2,090,680,869.86, 3,134,875,058.35 and 828,866,714.19 is: 1,242,845,632.96
Step by Step Solution
- Step 1: Write the proportion equation
2,090,680,869.86 : 3,134,875,058.35 = 828,866,714.19 : x - Step 2: Convert to fraction form
2,090,680,869.86/3,134,875,058.35 = 828,866,714.19/x - Step 3: Cross multiply
2,090,680,869.86x = 3,134,875,058.35 × 828,866,714.19 - Step 4: Simplify right side
2,090,680,869.86x = 2,598,393,589,010,748,928 - Step 5: Solve for x
x = 2,598,393,589,010,748,928/2,090,680,869.86 - Step 6: Final answer
x = 1,242,845,632.96
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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.