Home / 351,084,126.32-484,312,408.43-217,079,206.28

Finding the Fourth Proportional to 351,084,126.32, 484,312,408.43 and 217,079,206.28

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Solution

The fourth proportional to 351,084,126.32, 484,312,408.43 and 217,079,206.28 is: 299,455,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,084,126.32 : 484,312,408.43 = 217,079,206.28 : x
  2. Step 2: Convert to fraction form
    351,084,126.32/484,312,408.43 = 217,079,206.28/x
  3. Step 3: Cross multiply
    351,084,126.32x = 484,312,408.43 × 217,079,206.28
  4. Step 4: Simplify right side
    351,084,126.32x = 105,134,153,213,539,584
  5. Step 5: Solve for x
    x = 105,134,153,213,539,584/351,084,126.32
  6. Step 6: Final answer
    x = 299,455,729.64

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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.