Finding the Fourth Proportional to 935,595,490,793.42, 1,291,129,358,119.80 and 518,456,303,795.56
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Solution
The fourth proportional to 935,595,490,793.42, 1,291,129,358,119.80 and 518,456,303,795.56 is: 715,473,900,120.08
Step by Step Solution
- Step 1: Write the proportion equation
935,595,490,793.42 : 1,291,129,358,119.80 = 518,456,303,795.56 : x - Step 2: Convert to fraction form
935,595,490,793.42/1,291,129,358,119.80 = 518,456,303,795.56/x - Step 3: Cross multiply
935,595,490,793.42x = 1,291,129,358,119.80 × 518,456,303,795.56 - Step 4: Simplify right side
935,595,490,793.42x = 669,394,154,732,725,456,601,088 - Step 5: Solve for x
x = 669,394,154,732,725,456,601,088/935,595,490,793.42 - Step 6: Final answer
x = 715,473,900,120.08
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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.