Home / 475,356,867.57-655,749,289.85-316,859,903.73

Finding the Fourth Proportional to 475,356,867.57, 655,749,289.85 and 316,859,903.73

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Solution

The fourth proportional to 475,356,867.57, 655,749,289.85 and 316,859,903.73 is: 437,104,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,356,867.57 : 655,749,289.85 = 316,859,903.73 : x
  2. Step 2: Convert to fraction form
    475,356,867.57/655,749,289.85 = 316,859,903.73/x
  3. Step 3: Cross multiply
    475,356,867.57x = 655,749,289.85 × 316,859,903.73
  4. Step 4: Simplify right side
    475,356,867.57x = 207,780,656,851,302,592
  5. Step 5: Solve for x
    x = 207,780,656,851,302,592/475,356,867.57
  6. Step 6: Final answer
    x = 437,104,565.07

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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.