Home / 375,530,155.97-563,179,944.78-259,689,916.40

Finding the Fourth Proportional to 375,530,155.97, 563,179,944.78 and 259,689,916.40

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Solution

The fourth proportional to 375,530,155.97, 563,179,944.78 and 259,689,916.40 is: 389,455,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,530,155.97 : 563,179,944.78 = 259,689,916.40 : x
  2. Step 2: Convert to fraction form
    375,530,155.97/563,179,944.78 = 259,689,916.40/x
  3. Step 3: Cross multiply
    375,530,155.97x = 563,179,944.78 × 259,689,916.40
  4. Step 4: Simplify right side
    375,530,155.97x = 146,252,152,778,074,816
  5. Step 5: Solve for x
    x = 146,252,152,778,074,816/375,530,155.97
  6. Step 6: Final answer
    x = 389,455,148.82

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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.