Home / 288,021,250.15-397,469,325.71-155,862,246.59

Finding the Fourth Proportional to 288,021,250.15, 397,469,325.71 and 155,862,246.59

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Solution

The fourth proportional to 288,021,250.15, 397,469,325.71 and 155,862,246.59 is: 215,089,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,021,250.15 : 397,469,325.71 = 155,862,246.59 : x
  2. Step 2: Convert to fraction form
    288,021,250.15/397,469,325.71 = 155,862,246.59/x
  3. Step 3: Cross multiply
    288,021,250.15x = 397,469,325.71 × 155,862,246.59
  4. Step 4: Simplify right side
    288,021,250.15x = 61,950,462,056,778,776
  5. Step 5: Solve for x
    x = 61,950,462,056,778,776/288,021,250.15
  6. Step 6: Final answer
    x = 215,089,900.57

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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.