Home / 257,424,007.10-386,136,010.65-257,424,007.10

Finding the Fourth Proportional to 257,424,007.10, 386,136,010.65 and 257,424,007.10

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Solution

The fourth proportional to 257,424,007.10, 386,136,010.65 and 257,424,007.10 is: 386,136,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,424,007.10 : 386,136,010.65 = 257,424,007.10 : x
  2. Step 2: Convert to fraction form
    257,424,007.10/386,136,010.65 = 257,424,007.10/x
  3. Step 3: Cross multiply
    257,424,007.10x = 386,136,010.65 × 257,424,007.10
  4. Step 4: Simplify right side
    257,424,007.10x = 99,400,679,147,131,264
  5. Step 5: Solve for x
    x = 99,400,679,147,131,264/257,424,007.10
  6. Step 6: Final answer
    x = 386,136,010.65

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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.