Home / 483,712,961.76-667,313,186.40-307,406,469.60

Finding the Fourth Proportional to 483,712,961.76, 667,313,186.40 and 307,406,469.60

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Solution

The fourth proportional to 483,712,961.76, 667,313,186.40 and 307,406,469.60 is: 424,087,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,712,961.76 : 667,313,186.40 = 307,406,469.60 : x
  2. Step 2: Convert to fraction form
    483,712,961.76/667,313,186.40 = 307,406,469.60/x
  3. Step 3: Cross multiply
    483,712,961.76x = 667,313,186.40 × 307,406,469.60
  4. Step 4: Simplify right side
    483,712,961.76x = 205,136,390,748,750,752
  5. Step 5: Solve for x
    x = 205,136,390,748,750,752/483,712,961.76
  6. Step 6: Final answer
    x = 424,087,024.67

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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.