Home / 647,192,991.16-893,125,942.59-349,835,237.42

Finding the Fourth Proportional to 647,192,991.16, 893,125,942.59 and 349,835,237.42

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Solution

The fourth proportional to 647,192,991.16, 893,125,942.59 and 349,835,237.42 is: 482,772,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,192,991.16 : 893,125,942.59 = 349,835,237.42 : x
  2. Step 2: Convert to fraction form
    647,192,991.16/893,125,942.59 = 349,835,237.42/x
  3. Step 3: Cross multiply
    647,192,991.16x = 893,125,942.59 × 349,835,237.42
  4. Step 4: Simplify right side
    647,192,991.16x = 312,446,926,170,184,768
  5. Step 5: Solve for x
    x = 312,446,926,170,184,768/647,192,991.16
  6. Step 6: Final answer
    x = 482,772,419.41

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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.