Finding the Fourth Proportional to 3,593,376,609.60, 5,390,064,914.40 and 870,159,201.60
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Solution
The fourth proportional to 3,593,376,609.60, 5,390,064,914.40 and 870,159,201.60 is: 1,305,238,802.40
Step by Step Solution
- Step 1: Write the proportion equation
3,593,376,609.60 : 5,390,064,914.40 = 870,159,201.60 : x - Step 2: Convert to fraction form
3,593,376,609.60/5,390,064,914.40 = 870,159,201.60/x - Step 3: Cross multiply
3,593,376,609.60x = 5,390,064,914.40 × 870,159,201.60 - Step 4: Simplify right side
3,593,376,609.60x = 4,690,214,582,486,475,776 - Step 5: Solve for x
x = 4,690,214,582,486,475,776/3,593,376,609.60 - Step 6: Final answer
x = 1,305,238,802.40
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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.