Home / 494,721,819.76-742,082,303.28-126,256,742.39

Finding the Fourth Proportional to 494,721,819.76, 742,082,303.28 and 126,256,742.39

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Solution

The fourth proportional to 494,721,819.76, 742,082,303.28 and 126,256,742.39 is: 189,385,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,721,819.76 : 742,082,303.28 = 126,256,742.39 : x
  2. Step 2: Convert to fraction form
    494,721,819.76/742,082,303.28 = 126,256,742.39/x
  3. Step 3: Cross multiply
    494,721,819.76x = 742,082,303.28 × 126,256,742.39
  4. Step 4: Simplify right side
    494,721,819.76x = 93,692,894,197,400,816
  5. Step 5: Solve for x
    x = 93,692,894,197,400,816/494,721,819.76
  6. Step 6: Final answer
    x = 189,385,004.77

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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.