Home / 323,346,280.21-485,059,756.65-126,584,277.30

Finding the Fourth Proportional to 323,346,280.21, 485,059,756.65 and 126,584,277.30

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Solution

The fourth proportional to 323,346,280.21, 485,059,756.65 and 126,584,277.30 is: 189,892,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,346,280.21 : 485,059,756.65 = 126,584,277.30 : x
  2. Step 2: Convert to fraction form
    323,346,280.21/485,059,756.65 = 126,584,277.30/x
  3. Step 3: Cross multiply
    323,346,280.21x = 485,059,756.65 × 126,584,277.30
  4. Step 4: Simplify right side
    323,346,280.21x = 61,400,938,742,379,424
  5. Step 5: Solve for x
    x = 61,400,938,742,379,424/323,346,280.21
  6. Step 6: Final answer
    x = 189,892,206.90

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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.