Home / 411,238,789.83-567,506,171.03-223,066,612.67

Finding the Fourth Proportional to 411,238,789.83, 567,506,171.03 and 223,066,612.67

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Solution

The fourth proportional to 411,238,789.83, 567,506,171.03 and 223,066,612.67 is: 307,830,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,238,789.83 : 567,506,171.03 = 223,066,612.67 : x
  2. Step 2: Convert to fraction form
    411,238,789.83/567,506,171.03 = 223,066,612.67/x
  3. Step 3: Cross multiply
    411,238,789.83x = 567,506,171.03 × 223,066,612.67
  4. Step 4: Simplify right side
    411,238,789.83x = 126,591,679,237,030,912
  5. Step 5: Solve for x
    x = 126,591,679,237,030,912/411,238,789.83
  6. Step 6: Final answer
    x = 307,830,103.50

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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.