Home / 468,243,718.10-646,216,011.89-259,465,349.78

Finding the Fourth Proportional to 468,243,718.10, 646,216,011.89 and 259,465,349.78

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Solution

The fourth proportional to 468,243,718.10, 646,216,011.89 and 259,465,349.78 is: 358,084,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,243,718.10 : 646,216,011.89 = 259,465,349.78 : x
  2. Step 2: Convert to fraction form
    468,243,718.10/646,216,011.89 = 259,465,349.78/x
  3. Step 3: Cross multiply
    468,243,718.10x = 646,216,011.89 × 259,465,349.78
  4. Step 4: Simplify right side
    468,243,718.10x = 167,670,663,553,947,072
  5. Step 5: Solve for x
    x = 167,670,663,553,947,072/468,243,718.10
  6. Step 6: Final answer
    x = 358,084,170.86

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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.