Home / 312,477,656.40-468,742,043.52-156,951,493.92

Finding the Fourth Proportional to 312,477,656.40, 468,742,043.52 and 156,951,493.92

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Solution

The fourth proportional to 312,477,656.40, 468,742,043.52 and 156,951,493.92 is: 235,440,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,477,656.40 : 468,742,043.52 = 156,951,493.92 : x
  2. Step 2: Convert to fraction form
    312,477,656.40/468,742,043.52 = 156,951,493.92/x
  3. Step 3: Cross multiply
    312,477,656.40x = 468,742,043.52 × 156,951,493.92
  4. Step 4: Simplify right side
    312,477,656.40x = 73,569,763,993,577,648
  5. Step 5: Solve for x
    x = 73,569,763,993,577,648/312,477,656.40
  6. Step 6: Final answer
    x = 235,440,078.63

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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.