Finding the Fourth Proportional to 2,084,432,848.02, 3,126,749,831.46 and 685,386,145.68
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Solution
The fourth proportional to 2,084,432,848.02, 3,126,749,831.46 and 685,386,145.68 is: 1,028,112,283.65
Step by Step Solution
- Step 1: Write the proportion equation
2,084,432,848.02 : 3,126,749,831.46 = 685,386,145.68 : x - Step 2: Convert to fraction form
2,084,432,848.02/3,126,749,831.46 = 685,386,145.68/x - Step 3: Cross multiply
2,084,432,848.02x = 3,126,749,831.46 × 685,386,145.68 - Step 4: Simplify right side
2,084,432,848.02x = 2,143,031,015,489,958,912 - Step 5: Solve for x
x = 2,143,031,015,489,958,912/2,084,432,848.02 - Step 6: Final answer
x = 1,028,112,283.65
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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.