Home / 424,613,510.76-636,691,942.14-249,796,977.96

Finding the Fourth Proportional to 424,613,510.76, 636,691,942.14 and 249,796,977.96

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Solution

The fourth proportional to 424,613,510.76, 636,691,942.14 and 249,796,977.96 is: 374,561,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,613,510.76 : 636,691,942.14 = 249,796,977.96 : x
  2. Step 2: Convert to fraction form
    424,613,510.76/636,691,942.14 = 249,796,977.96/x
  3. Step 3: Cross multiply
    424,613,510.76x = 636,691,942.14 × 249,796,977.96
  4. Step 4: Simplify right side
    424,613,510.76x = 159,043,723,038,055,168
  5. Step 5: Solve for x
    x = 159,043,723,038,055,168/424,613,510.76
  6. Step 6: Final answer
    x = 374,561,145.62

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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.