Home / 575,424,007.20-863,136,010.80-252,307,879.20

Finding the Fourth Proportional to 575,424,007.20, 863,136,010.80 and 252,307,879.20

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Solution

The fourth proportional to 575,424,007.20, 863,136,010.80 and 252,307,879.20 is: 378,461,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,424,007.20 : 863,136,010.80 = 252,307,879.20 : x
  2. Step 2: Convert to fraction form
    575,424,007.20/863,136,010.80 = 252,307,879.20/x
  3. Step 3: Cross multiply
    575,424,007.20x = 863,136,010.80 × 252,307,879.20
  4. Step 4: Simplify right side
    575,424,007.20x = 217,776,016,346,096,288
  5. Step 5: Solve for x
    x = 217,776,016,346,096,288/575,424,007.20
  6. Step 6: Final answer
    x = 378,461,818.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.