Home / 375,528,025.01-518,259,698.36-208,318,196.70

Finding the Fourth Proportional to 375,528,025.01, 518,259,698.36 and 208,318,196.70

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Solution

The fourth proportional to 375,528,025.01, 518,259,698.36 and 208,318,196.70 is: 287,496,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,528,025.01 : 518,259,698.36 = 208,318,196.70 : x
  2. Step 2: Convert to fraction form
    375,528,025.01/518,259,698.36 = 208,318,196.70/x
  3. Step 3: Cross multiply
    375,528,025.01x = 518,259,698.36 × 208,318,196.70
  4. Step 4: Simplify right side
    375,528,025.01x = 107,962,925,783,599,552
  5. Step 5: Solve for x
    x = 107,962,925,783,599,552/375,528,025.01
  6. Step 6: Final answer
    x = 287,496,321.43

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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.