Home / 425,459,013.49-638,003,171.95-225,994,648.06

Finding the Fourth Proportional to 425,459,013.49, 638,003,171.95 and 225,994,648.06

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Solution

The fourth proportional to 425,459,013.49, 638,003,171.95 and 225,994,648.06 is: 338,893,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,459,013.49 : 638,003,171.95 = 225,994,648.06 : x
  2. Step 2: Convert to fraction form
    425,459,013.49/638,003,171.95 = 225,994,648.06/x
  3. Step 3: Cross multiply
    425,459,013.49x = 638,003,171.95 × 225,994,648.06
  4. Step 4: Simplify right side
    425,459,013.49x = 144,185,302,303,843,936
  5. Step 5: Solve for x
    x = 144,185,302,303,843,936/425,459,013.49
  6. Step 6: Final answer
    x = 338,893,519.08

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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.