Home / 621,534,682.60-932,302,023.90-417,160,666.60

Finding the Fourth Proportional to 621,534,682.60, 932,302,023.90 and 417,160,666.60

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Solution

The fourth proportional to 621,534,682.60, 932,302,023.90 and 417,160,666.60 is: 625,740,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,534,682.60 : 932,302,023.90 = 417,160,666.60 : x
  2. Step 2: Convert to fraction form
    621,534,682.60/932,302,023.90 = 417,160,666.60/x
  3. Step 3: Cross multiply
    621,534,682.60x = 932,302,023.90 × 417,160,666.60
  4. Step 4: Simplify right side
    621,534,682.60x = 388,919,733,762,653,120
  5. Step 5: Solve for x
    x = 388,919,733,762,653,120/621,534,682.60
  6. Step 6: Final answer
    x = 625,740,999.90

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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.