Home / 288,096,539.72-397,573,244.22-157,716,347.72

Finding the Fourth Proportional to 288,096,539.72, 397,573,244.22 and 157,716,347.72

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Solution

The fourth proportional to 288,096,539.72, 397,573,244.22 and 157,716,347.72 is: 217,648,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,096,539.72 : 397,573,244.22 = 157,716,347.72 : x
  2. Step 2: Convert to fraction form
    288,096,539.72/397,573,244.22 = 157,716,347.72/x
  3. Step 3: Cross multiply
    288,096,539.72x = 397,573,244.22 × 157,716,347.72
  4. Step 4: Simplify right side
    288,096,539.72x = 62,703,800,029,570,008
  5. Step 5: Solve for x
    x = 62,703,800,029,570,008/288,096,539.72
  6. Step 6: Final answer
    x = 217,648,570.48

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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.