Finding the Fourth Proportional to 1,497,462,199.70, 2,066,558,746.67 and 828,395,742.79
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Solution
The fourth proportional to 1,497,462,199.70, 2,066,558,746.67 and 828,395,742.79 is: 1,143,219,821.04
Step by Step Solution
- Step 1: Write the proportion equation
1,497,462,199.70 : 2,066,558,746.67 = 828,395,742.79 : x - Step 2: Convert to fraction form
1,497,462,199.70/2,066,558,746.67 = 828,395,742.79/x - Step 3: Cross multiply
1,497,462,199.70x = 2,066,558,746.67 × 828,395,742.79 - Step 4: Simplify right side
1,497,462,199.70x = 1,711,928,467,959,140,096 - Step 5: Solve for x
x = 1,711,928,467,959,140,096/1,497,462,199.70 - Step 6: Final answer
x = 1,143,219,821.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.