Home / 288,021,931.38-397,427,508.90-174,932,573.67

Finding the Fourth Proportional to 288,021,931.38, 397,427,508.90 and 174,932,573.67

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Solution

The fourth proportional to 288,021,931.38, 397,427,508.90 and 174,932,573.67 is: 241,380,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,021,931.38 : 397,427,508.90 = 174,932,573.67 : x
  2. Step 2: Convert to fraction form
    288,021,931.38/397,427,508.90 = 174,932,573.67/x
  3. Step 3: Cross multiply
    288,021,931.38x = 397,427,508.90 × 174,932,573.67
  4. Step 4: Simplify right side
    288,021,931.38x = 69,523,016,979,133,824
  5. Step 5: Solve for x
    x = 69,523,016,979,133,824/288,021,931.38
  6. Step 6: Final answer
    x = 241,380,983.20

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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.