Home / 647,590,468.26-971,453,748.17-210,925,155.39

Finding the Fourth Proportional to 647,590,468.26, 971,453,748.17 and 210,925,155.39

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Solution

The fourth proportional to 647,590,468.26, 971,453,748.17 and 210,925,155.39 is: 316,409,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,590,468.26 : 971,453,748.17 = 210,925,155.39 : x
  2. Step 2: Convert to fraction form
    647,590,468.26/971,453,748.17 = 210,925,155.39/x
  3. Step 3: Cross multiply
    647,590,468.26x = 971,453,748.17 × 210,925,155.39
  4. Step 4: Simplify right side
    647,590,468.26x = 204,904,032,786,955,168
  5. Step 5: Solve for x
    x = 204,904,032,786,955,168/647,590,468.26
  6. Step 6: Final answer
    x = 316,409,896.11

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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.