Home / 288,096,529.69-397,573,230.38-157,716,337.69

Finding the Fourth Proportional to 288,096,529.69, 397,573,230.38 and 157,716,337.69

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Solution

The fourth proportional to 288,096,529.69, 397,573,230.38 and 157,716,337.69 is: 217,648,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,096,529.69 : 397,573,230.38 = 157,716,337.69 : x
  2. Step 2: Convert to fraction form
    288,096,529.69/397,573,230.38 = 157,716,337.69/x
  3. Step 3: Cross multiply
    288,096,529.69x = 397,573,230.38 × 157,716,337.69
  4. Step 4: Simplify right side
    288,096,529.69x = 62,703,793,859,116,248
  5. Step 5: Solve for x
    x = 62,703,793,859,116,248/288,096,529.69
  6. Step 6: Final answer
    x = 217,648,556.64

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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.