Home / 656,345,218,330-985,644,504,669.05-402,863,074,823.80

Finding the Fourth Proportional to 656,345,218,330, 985,644,504,669.05 and 402,863,074,823.80

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Solution

The fourth proportional to 656,345,218,330, 985,644,504,669.05 and 402,863,074,823.80 is: 604,986,163,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,345,218,330 : 985,644,504,669.05 = 402,863,074,823.80 : x
  2. Step 2: Convert to fraction form
    656,345,218,330/985,644,504,669.05 = 402,863,074,823.80/x
  3. Step 3: Cross multiply
    656,345,218,330x = 985,644,504,669.05 × 402,863,074,823.80
  4. Step 4: Simplify right side
    656,345,218,330x = 397,079,775,834,154,809,163,776
  5. Step 5: Solve for x
    x = 397,079,775,834,154,809,163,776/656,345,218,330
  6. Step 6: Final answer
    x = 604,986,163,903.93

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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.