Home / 351,121,833.05-484,364,419.85-217,116,907.25

Finding the Fourth Proportional to 351,121,833.05, 484,364,419.85 and 217,116,907.25

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Solution

The fourth proportional to 351,121,833.05, 484,364,419.85 and 217,116,907.25 is: 299,507,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,121,833.05 : 484,364,419.85 = 217,116,907.25 : x
  2. Step 2: Convert to fraction form
    351,121,833.05/484,364,419.85 = 217,116,907.25/x
  3. Step 3: Cross multiply
    351,121,833.05x = 484,364,419.85 × 217,116,907.25
  4. Step 4: Simplify right side
    351,121,833.05x = 105,163,704,817,893,488
  5. Step 5: Solve for x
    x = 105,163,704,817,893,488/351,121,833.05
  6. Step 6: Final answer
    x = 299,507,734.70

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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.