Home / 621,674,720.04-858,298,289.38-395,741,183.63

Finding the Fourth Proportional to 621,674,720.04, 858,298,289.38 and 395,741,183.63

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Solution

The fourth proportional to 621,674,720.04, 858,298,289.38 and 395,741,183.63 is: 546,369,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,674,720.04 : 858,298,289.38 = 395,741,183.63 : x
  2. Step 2: Convert to fraction form
    621,674,720.04/858,298,289.38 = 395,741,183.63/x
  3. Step 3: Cross multiply
    621,674,720.04x = 858,298,289.38 × 395,741,183.63
  4. Step 4: Simplify right side
    621,674,720.04x = 339,663,980,941,564,608
  5. Step 5: Solve for x
    x = 339,663,980,941,564,608/621,674,720.04
  6. Step 6: Final answer
    x = 546,369,298.91

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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.