Home / 375,719,736.42-518,475,669.91-208,454,217.50

Finding the Fourth Proportional to 375,719,736.42, 518,475,669.91 and 208,454,217.50

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Solution

The fourth proportional to 375,719,736.42, 518,475,669.91 and 208,454,217.50 is: 287,657,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,719,736.42 : 518,475,669.91 = 208,454,217.50 : x
  2. Step 2: Convert to fraction form
    375,719,736.42/518,475,669.91 = 208,454,217.50/x
  3. Step 3: Cross multiply
    375,719,736.42x = 518,475,669.91 × 208,454,217.50
  4. Step 4: Simplify right side
    375,719,736.42x = 108,078,440,064,652,400
  5. Step 5: Solve for x
    x = 108,078,440,064,652,400/375,719,736.42
  6. Step 6: Final answer
    x = 287,657,074.11

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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.