Home / 359,461,331.21-539,265,256.46-162,630,201.26

Finding the Fourth Proportional to 359,461,331.21, 539,265,256.46 and 162,630,201.26

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Solution

The fourth proportional to 359,461,331.21, 539,265,256.46 and 162,630,201.26 is: 243,978,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,461,331.21 : 539,265,256.46 = 162,630,201.26 : x
  2. Step 2: Convert to fraction form
    359,461,331.21/539,265,256.46 = 162,630,201.26/x
  3. Step 3: Cross multiply
    359,461,331.21x = 539,265,256.46 × 162,630,201.26
  4. Step 4: Simplify right side
    359,461,331.21x = 87,700,817,191,760,192
  5. Step 5: Solve for x
    x = 87,700,817,191,760,192/359,461,331.21
  6. Step 6: Final answer
    x = 243,978,446.57

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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.