Home / 628,804,486.53-867,756,069.63-346,557,002.49

Finding the Fourth Proportional to 628,804,486.53, 867,756,069.63 and 346,557,002.49

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Solution

The fourth proportional to 628,804,486.53, 867,756,069.63 and 346,557,002.49 is: 478,251,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,804,486.53 : 867,756,069.63 = 346,557,002.49 : x
  2. Step 2: Convert to fraction form
    628,804,486.53/867,756,069.63 = 346,557,002.49/x
  3. Step 3: Cross multiply
    628,804,486.53x = 867,756,069.63 × 346,557,002.49
  4. Step 4: Simplify right side
    628,804,486.53x = 300,726,942,383,476,544
  5. Step 5: Solve for x
    x = 300,726,942,383,476,544/628,804,486.53
  6. Step 6: Final answer
    x = 478,251,903.14

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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.