Home / 356,090,034.40-534,135,051.60-323,778,421.60

Finding the Fourth Proportional to 356,090,034.40, 534,135,051.60 and 323,778,421.60

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Solution

The fourth proportional to 356,090,034.40, 534,135,051.60 and 323,778,421.60 is: 485,667,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,090,034.40 : 534,135,051.60 = 323,778,421.60 : x
  2. Step 2: Convert to fraction form
    356,090,034.40/534,135,051.60 = 323,778,421.60/x
  3. Step 3: Cross multiply
    356,090,034.40x = 534,135,051.60 × 323,778,421.60
  4. Step 4: Simplify right side
    356,090,034.40x = 172,941,403,928,282,560
  5. Step 5: Solve for x
    x = 172,941,403,928,282,560/356,090,034.40
  6. Step 6: Final answer
    x = 485,667,632.40

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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.