Home / 340,690,918.65-511,035,983.61-122,341,491.69

Finding the Fourth Proportional to 340,690,918.65, 511,035,983.61 and 122,341,491.69

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Solution

The fourth proportional to 340,690,918.65, 511,035,983.61 and 122,341,491.69 is: 183,512,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,690,918.65 : 511,035,983.61 = 122,341,491.69 : x
  2. Step 2: Convert to fraction form
    340,690,918.65/511,035,983.61 = 122,341,491.69/x
  3. Step 3: Cross multiply
    340,690,918.65x = 511,035,983.61 × 122,341,491.69
  4. Step 4: Simplify right side
    340,690,918.65x = 62,520,904,542,113,792
  5. Step 5: Solve for x
    x = 62,520,904,542,113,792/340,690,918.65
  6. Step 6: Final answer
    x = 183,512,095.92

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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.